Simpson helps her Cowboy Tony Romo celebrate his 28th birthday in Dallas. Plus: Tom & Katie, Madonna & Lourdes and more

ARMED AND READY

Tom Cruise and Katie Holmes prove they're inseparable as they step out Sunday to attend a star-studded dinner – which brought out pals David and Victoria Beckham and Gwen Stefani – at Via Veneto in Santa Monica. And it was a weekend full of birthday celebrations for the couple, whose daughter Suri turned two on April 18.