Lohan strikes a sexy pose on the set of a photo shoot in the Hollywood Hills. Plus: Kim Kardashian, John Mayer, Rihanna and more


Hilary Duff (in Hervé Léger by Max Azria) and boyfriend Mike Comrie make a stylish pair Wednesday at the grand opening celebration of hip West Hollywood store Live! On Sunset. The singer-actress, who co-hosted the event, told PEOPLE that her relationship with the hockey star "means a lot to both of us."