The newlyweds – along with Brady's son John, 1½ – kick off their weekend wedding celebration in Costa Rica. Plus: Johnny Depp, Miley, Nick & Mariah and more

ISLAND GETAWAY

Rihanna – sporting a new hairdo – makes a low-key arrival with a pal (not pictured) Wednesday at the Honolulu Airport. The singer, who's been taking time apart from boyfriend Chris Brown, has been staying at a hotel on the Hawaiian island of Oahu.