Cox takes the plunge on the Hawaiian set of Cougar Town. Plus: Justin Bieber & Selena Gomez, Kendra Wilkinson and more

READY TO MAKE MOVES

An athletically-dressed Kendra Wilkinson is geared up for her spin in the ballroom, arriving to rehearsals for Dancing With the Stars in Hollywood on Tuesday. "He's AWESOME!" she Tweeted of dance partner Louis van Amstel.