The duo plays together in Miami for charity. Plus: Jennifer Lopez, Reese Witherspoon and more

Ahoy, mates!

Britney Spears and fiancé Kevin Federline play the match game with their headscarves Saturday in Venice Beach, Calif. The pop diva (using her shirt as a billboard) and her new-father beau stocked up at a store before heading out for a jaunt on a rented boat.