Last night on Late Show with David Letterman, cool, smooth Johnny Depp gets plain stumped. Sure, his children can speak French, but do they dream in French? As a matter of fact, does he? Plus: Justin Timberlake's favorite Sesame Street characters have always been Ernie and Grover — that explains his Comic-Con getup; Eva Longoria had to think twice about using the gold bar-dispensing ATM machine in Dubai; and Hugh Laurie has an applause machine at home. Watch our compilation to see what you missed.