Cruise and Holmes take Suri, 2, for a stroll through N.Y.C. before mom heads into rehearsal for her theater debut. Plus: Shia LaBeouf, Beyoncé & Jay-Z, Taylor Momsen and more

SIGNING OFF

Brooke Shields shows off her toned body – "I celebrate my strength," she tells PEOPLE – in a slinky Badgley Mischka dress at the season premiere of Lipstick Jungle Monday in New York. The actress also took a little trip down memory lane, autographing her '80s collectible action figure, called "the World's Most Glamorous Teenage Doll."