Whitney Houston and daughter Bobbi Kristina, 18, took their love for Prince public at the The Artist's concert on Friday, part of his 21-date residency in Los Angeles. The two hugged, serenaded each other and pretty much stole the show from The Purple One himself, thanks to their infectious enthusiasm and we-can't-help-but-stop-and-stare dance moves. It's nice to see a teenage daughter who's not embarrassed to be seen dancing with her mom in public. But remember kids, crack is still wack.