lady. >> reporter: then in 2012, tragedy. whitney died suddenly. her mother's shocking death sending bobbi to cedars-sinai medical center in los angeles. >> i'm going to make it now. it's going to be good. >> reporter: as bobbi tried to recover from the loss, cameras went along for lifetime's "the houstons on her own." >> did you see how happy you are? >> i really was. >> you've got to find that girl again. >> i miss her so much. >> reporter: estranged from her father for nearly 2 1/2 years after whitney's death, she showed this photo of them reuniting in june of 2014. her parents struggled with addiction, and bobby too faced allegations of drug use. >> i wanted to do the right thing. but all i'm trying to do is guide her to the right place in her life. >> reporter: but bobbi tried to move forward explaining on oprah's "next chapter" how she was coping with her mother's death. >> i can hear a voice, you know and spirit talking to me telling me keeping moving baby, i'm right here, i got you.