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

A COCKTAIL OF LAUGHS

That's hardly a blue attitude: Brooke Shields laughs it up at denim company Rock & Republic's 5th Anniversary Party in Santa Monica on Sunday, where husband Chris Henchy and daughters Rowan, 4, and Grier, 14 months (not pictured), made it a family affair.