for millions of muggles. >> i went in there and changed your script. >> who wrote this? daniel hacked in. >> thousands of harry potter fans from around the world massed in london last night for the premieie of the final film in the series. stars included leads daniel radcliffe, emma watson, rupert grint and j.k. rowling arrived on the red carpet. she obviously so successful from all of this. she a billionaire author herself. >> she is the one thing i do like about harry potter. being that i have to admit, i haven't read the books. apparently if i do i'm going to go crazy and love them. she's incredible. i really like her. also this is the highest-grossing film series in history, it's earned about 6 billion bucks. so apparently i'm the minority. >> we have the feeling it's going to earn millions more in the next week. emma watson by the way, she was caught on camera crying on the red carpet. so emotional over the end of this franchise. i think they all grew up together, they really became a tight-knit group. >> she looked gorgeous in her big gown. still, she couldn't hold back the tears. big day today over in london. we'll be right back. let me tell you about a very important phone call i made.