Parties D Dipasupil/FilmMagic

The Cannes Film Festival isn’t the only hot party happening this week! Brooklyn Decker and Vanessa Hudgens (left) met up at the launch of MyHabit.com in New York City wearing summery fashions despite the rain. Nearby, a slew of stars, including Kerry Washington and Molly Sims, celebrated World Ocean Day 2011 in style. And over in Madrid, Penelope Cruz continued to wow us with her Pirates of the Caribbean: On Stranger Tides premiere outfits. Click through the gallery to see these stars plus Jada Pinkett Smith, Rachel Roy and more celebrities inside last night’s hottest parties!

— Blakely Slater