Beckham makes his mark at a nightclub in Miami. Plus: Sienna Miller & Marlowe, Miley Cyrus, Bradley Cooper, Selena Gomez and more

GOOD SIGN

Looks like someone's had a makeover! Instead of her typical skin-baring outfit, slimmed-down Nicole "Snooki" Polizzi opts for elegance (nice pearls!) as she promotes her book, Baby Bumps, Thursday at Book Expo America in New York City.