Run! Or at least that's what Brad Pitt does on the set of Ocean's 12. Plus: Jay-Z and Beyoncé, Reese Witherspoon and more

GOING DARK

Who's the brunette beauty? Surprise – it's Reese Witherspoon, enjoying an ice-cream break with her equally pretty-in-pink daughter Ava, 4, on Wednesday. The Legally Blonde star dyed her tresses to play June Carter Cash in the upcoming biopic Walk the Line, costarring Joaquin Phoenix.