And her heart must go on. And new direction. Where do broken hearts go . They take to twitter. Tonight the surprise announcement provoking a digital deluge of tears. But first the nightline 5. You get sick, you cant breathe through your nose, youre a mouth breather. A mouth breather. Put on a breathe right strip and shut your mouth. Cold medicines open your nose over time. Add a breathe right strip and pow, it opens your nose up to 38 more. So you can breathe and do the one thing you want to do. Sleep. Add breathe right to your cold medicine. Shut your mouth and sleep right, breathe right, and look for the calming scent of new breathe right lavender in the sleep aisle. Number one in just 60 seconds. Turn around every now and then i get a little bit hungry and theres nothing really good around turn around every now and then i get a little bit tired of living off the taste of the air. Turn around barry i finally found the right snack now try fiber one protein bars with the great new taste of cookies and creme. Good evening. We begin tonight with new information adding a new layer of mystery to that plane crash in the french alps. Abc news has not been able to independently verify this report. But according to the New York Times, one of the pilots of that plane was locked out of the cockpit when it went down. Abcs Hamish Macdonald is in france now with the latest. Reporter tonight the New York Times is reporting audio recovered from one of the black box flight recorders demonstrates that one of the pilots was locked outside of the cockpit during that deadly eightminute descent. Abc news cant independently verify this information but the times is quoting one of the investigators is saying its clear from the audio one of the pilots is desperately trying to smash down the door. But there is no response from the other pilot who remained inside the cockpit. This adds another dimension to this mystery and this investigation. There are the families and friends of 150 people on board that flight who are in mourning. Among them we now know the families of three americans, including a mother and daughter. Hamish macdonald, thank you. Well have much more on this story on gma first thing in the morning. We move on to the new video with the graphic illustration of the combustible mix of teenagers, cars, and distraction. This is a warning not only for parents but for anybody who gets behind the wheel and heres abcs linzie janis. Reporter watch as this teen distracted by her phone for roughly six seconds loses control and careens off the road. And this teen, one hand on the phone, another on the wheel. Just seconds before colliding with another car. Heres another playing deejay before running off the road. And another chatting to her friend then plowing into the car in front of her. Oh [ muted ] these shocking videos part of an unprecedented look at the number one killer of american teenagers, car crashes. In the most comprehensive research of its kind of the Aaa Foundation for Traffic Safety analyzed nearly 1,700 accident videos, finding distraction a factor in nearly 60 of crashes. Thats four times the previous estimates based on police reports. What we call eyes off the road. Reporter the biggest distraction may come as a surprise. What was the most common . The most common was talking to somebody in the vehicle. Exactly what were doing. Reporter and the secondbiggest distraction . Texting and talking on cell phones. Teens have the highest crash rate of any group in the country. Maryland teenager liz marks was a beautiful, popular high schooler who even did modeling on the side. When in april 2012 she was driving and received a text from her mom. I would ask liz all the time, do you text and drive . Do you use your cell phone behind the wheel . She told me no. So i felt confident, that it was okay to text liz. Reporter in the moments liz took her eyes off the road to read the text, she crashed into a tow truck. The 17yearold was airlifted to a hospital with serious brain injuries. I remember praying. And as my head was down, i saw blood all over the floor. And it was my daughters blood. Reporter and now at 20, liz remains disfigured, disabled, and blind in one eye. Take a look, see how youre doing. Reporter today ocularist at Johns Hopkins is fitting liz with a prosthetic eye. Part of her lifelong journey. Its going to be very much like having two eyes again. Reporter from the accident injuries shes lost her sense of smell, cant create tears, and cant fall asleep without drugs. I had to relearn how to walk, talk, breathe right, chew. Abc, 123. I didnt know how to do anything. Reporter liz and her mother betty travel the country speaking out at high schools to warn teens about the hazards of distracted driving and how no text is worth risking your life. We ask the students, do you text and drive . And a lot of them raise their hands. Then we ask, do your parents text and drive . And those hands go flying. So the young adults, the young drivers, think if they can do it, then i can do it. If you get a text, dont look at it. Reporter their psa for the department of transportation has been viewed over 8 million times on youtube. Its a warning that isnt just for teens but for all of us who drive in this age of 24 7 technology. Here i go. Theres a lot of Traffic Building up here. Reporter to better understand how small distractions can lead to serious, sometimes fatal errors oh poor deer. Reporter i headed to Fresh Green Light Driving School in greenwich, connecticut, with aaas robert sinclair. This is a multiscreen simulator that many teens are using to drive. Text 35350. Reporter i was surprised how a tiny bit of distraction made me secondguess my driving ability. Oh reporter sinclair says if were serious about safety we need to eliminate every distraction. Even before you get started were going to have you remove your bulky winter coat. No kidding . Absolutely. I cant drive in my coat . You shouldnt. It restricts the movement of your arms. Winter coat does not allow im not going to disobey the driving instructor. Reporter how can we all be safer behind the wheel . 16 to 19 years old, were talking about a driver that has very limited experience. Limited training. And numerous studies have shown that the young brain is not fully developed until it gets to 21, 22 years old. Reporter i asked robert what parents could do to minimize teen accidents. Number one, set some rules. You let your teen driver know exactly what is expected of him or her. Where you outline very carefully, perhaps even with a written contract, the behaviors that are acceptable. Reporter number two, buy a safe car. You want a slow, underpowered, preferably big vehicle. Reporter number three, monitor their behavior. There are devices that you can track spy on your children . Why not . You want to keep them alive . Reporter for all drivers, adults included, he warns against loud music and says just because you use a handsfree device doesnt mean youre safe. Aaa is now pushing states to pass laws prohibiting cell phone use by teen drivers. So far, 13 states have not. For distracted teen drivers lucky enough to survive, the punishment can be severe. In 2012, 18yearold aaron devoe became the first driver in massachusetts to be convicted of vehicular homicide by texting after hitting a 54yearold man. On the day of the accident, devoe sending a reported 193 texts. As for liz marks, who answered that fateful text from her mom, her message is simple. The message is to not text and drive. A text message can wait, your life cant. Dont waste it like i wasted mine. Reporter for nightline in connecticut, im linzie janis. Our thanks to linzie janis. You should know every driver shown in that aaa video did survive. Nobody was killed in any of those crashes. Coming up here on nightline, a wrenching interview with celine dion. She talks about the power of love, how her family copes with her husbands cancer and why she is now returning to the stage. Here at friskies, cats are in charge of approving every new recipe. Because its cats who know best what cats like to eat. Up today, new friskies 7. Were trying seven catfavorite flavors all in one dish. Now for the moment of truth. Yep, looks like its time to share what our cats love with your cats. New friskies 7. For cats. By cats. This is my body of proof. Proof of less joint pain. And clearer skin. This is my body of proof that i can fight Psoriatic Arthritis from the inside out. 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This is a body of proof get fastacting, longlasting relief from heartburn with it neutralizes stomach acid and is the only product that forms a protective barrier that helps keep stomach acid in the stomach where it belongs. For fastacting, longlasting relief. Try gaviscon®. The singer celine dion changed the face of las vegas when she started performing there and she made headlines when she left it all behind to take care of her ailing husband. Tonight shes making headlines yet again with a comeback and a raw, emotional interview with abcs deborah roberts. You havent walked out here for months . Many, many months . Many months. Reporter its been a year since celine dion last performed on this las vegas stage, built specially for her. To belt out those iconic songs like my heart will go on. My heart will go on and on reporter for much of the past year shes been silent. Dealing privately with the kind of news all families dread. Her husband of 20 years, rene diagnosed with throat cancer in 2013, again. It was december 17th and i will never forget. Because it was a wedding anniversary and i was rehearsing for the boys. After the rehearsal i went back in my dressing room and i saw him looking pretty devastated and shocked. And i was like whats going on . And he said i have cancer again, the doctor just called me and i have cancer again. And at that moment honestly, my heart started to beat faster. But my body shut off. And i was like, im going to go put wakeup. Im going to go sing incredible. Im going to forget how i feel right now. Incredible and i went on. I sang the song. We were incredible and then we went to the hotel. And then reality started to strike. It took a toll on me. Reporter celine and rene met when they were 12. He became her manager, her mentor, and later the love of her life helping turn those early ballads into gold. Because im your lady reporter the devastating diagnosis made her residency in vegas a struggle. Celine exhausted, torn between her passions, the stage and her husband. I had to leave him behind. He wanted me to start the shows again. How do you do that . Sometimes i think im used to it dont feel what you need to feel. Just do it. Go onstage. I did. Because youre a showbiz veteran, you know no, because i love him. And i did. And it was very hard. Reporter it was a grueling time. Rene going through painful treatment, celine comforting their children r. C. Now 14 and the twins eddie and nelson. What about our kids . What happens to papa . He cant hear very well because of the radiation so his hearing is not really well. He cant use his mouth. He cant eat. So i feed him. Hes got a feeding tube. I have to feed him two times a day. You did so much of this yourself. I do this myself. And so i feed my husband. And i feed my kids. And unfortunately, i had to say listen. I cant be half here and half this. Meals allow me to stay home. Reporter she was leaving behind an unprecedented multimillion dollar deal at seize sars palace. Thank you so much. Reporter to step away and focus on what mattered most to her, her family. What kind of a toll has it taken on you . On the marriage . I stopped we healed, we focused, we live a day at a time. Nobody knows what the future is holding for us. How did you explain it all to the children . What did you say to them about daddy . I really believe that children know it all without asking so much. And i also believe that us parents, adults, we try to put a stop to what we are afraid of explaining because were scared. Because were worried. If you tell the kids like i said to my children you want to come and help me feed papa today . Im not making a deal out of the feeding tube. You want to help me out . Youre a good feeder thank you so much, come on give a kiss to papa. I have a lot of empathy for my teenager, r. C. , rene charles. He doesnt really talk about it. But im sure its hard. Im sure it is. Reporter in many ways celine dion is like so many of us struggling vulnerable at times. But growing stronger through suffering. Millions of people in the world, they go through this drama. And a lot of them dont even say goodbye. You know what . Im amazed how fortunate we are. I think the fact that ive had this openbook type of personality and share it all, its me. Its the person i am. I think it helped me in my life to sing my songs better. Reporter now shes see those powerful lyrics again with a new understanding of love and devotion. Celine announcing shes taking the stage once again starting august 27th. And this is where ill stand. Right here. A lot of competition out there now. Mariah carey is coming to town, Britney Spears has been here. Does that make you any more nervous . I think its going to help all of us to be the best of ourselves. Theres one mariah there was one whitney, theres one britney. Theres one of us. You know i dont believe that humans are all the same. Reporter but while other stars may travel back and forth to vegas, celine has set up roots here. It is our primary home and its wonderful to be here. My teenager plays lots of golf. Now the arenas. Hes a hockey player. Believe it or not. Wow. We were looking for ice in the desert. It was quite, quite hard to find. Not so much. What are you looking for . You can find it here. Reporter though ailing rene remains at his wifes side and couldnt resist joining us onstage. So when you walk out here in august, where will rene be . I dont want you to be the first im not going to be able to say. You clearly love him a lot. You both adore each other. We do. We complete each other. Were one. Reporter theyre in this together. Their love and the show will go on. For nightline in new york, im deborah roberts. My heart will go on and on and a question of all of celines songs, which speaks to you the most . Tell bus your pick on our Nightline Facebook page. Coming up next on nightline, why twitter is drowning in the tears of tweens tonight. The instant and overwhelming fallout after a beloved member of one direction decides to revive the story of his life. The Volkswagen Passat handles like a dream. Go ahead. Step on it. Yeah . Yeah that turbo engine packs a punch, right . Oh yeah. Pinch me. Okay. And on passat models you can get a 1,000 volkswagen credit bonus. One more time. Pinch me. Its not a dream. Its the volkswagen stop dreaming, start driving event. Stop dreaming, do it again. And testdrive one today. Hurry in and you can get 0 apr plus a 1000 volkswagen credit bonus on 2015 passat and jetta models. Hmm. Fifteen minutes could save you fifteen percent or more on car insurance. Everybody knows that parker. Well. Did you know auctioneers make bad Grocery Store clerks . Thatll be 23. 50. 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The story of my Life Reporter a story of my life one directions smash hit, but today took a different direction. Quitting the biggest boy band on the planet. Im leaving because i want to be a normal 22yearold whos able to relax and have some private time out of the spotlight. Zane left the world tour last week citing stress. Its been a wild five years since they entered the british xfactor. Simon cowell made them into a band. This is just the beginning. Reporter today, distraught directioners, the fans tore up twitter. Omfg my heart, i cant explain how i feel groped another for words. A montage of tears. This band is arguably as big as the beatles. Reporter want to know how popular . Check out this company coughny on kimmel. One direction reporter memories now, just memories. The voluminous hair the charcoal eyes. Retired, age 22. Im nick watt for nightline in los angeles. By the way, twitter is aflame tonight with a debate over who should replace zane. John stamos has already raised his hand. I will not do so. Thank you for watching abc news tonight. As always were online 24 7 at ab