Cruz and her look-alike sibling Monica celebrate fashion in Ibiza. Plus: Katie Holmes, Posh & Becks and more

DOUBLE HAPPINESS

Hairspray costars John Travolta and Michelle Pfeiffer share a happy reunion at the New York premiere of their new musical on Monday. "I loved that there was a super-duper response tonight, applause after every number, as if it were a live show," Travolta told PEOPLE after the screening.