Bobbi Kristina Makes First Public Appearance Since Whitney Houston's Death

In her first official appearance since her mom Whitney Houston's death, Bobbi Kristina kept it cool and classy as she spoke about her mother at the Billboard Music Awards. "I just really want to say thank you to everyone who supported us through it all," she said. "Thanks for showing that much love, because she… »5/21/12 9:00am5/21/12 9:00am