Teen People

The Hills Girls' Day-to-Night Style

Whitney, Audrina, Lauren – and even Heidi! – agree on one thing: Fashion comes first! Check out their cool casuals and hot dresses. By Aaron Parsley

VEGAS, BABY!

For her Las Vegas birthday party at LAX nightclub, Heidi ensures she's the center of attention in this glittering babydoll dress from Voom by Joy Han. It's her birthday and she'll shine if she wants to!