Last night on Conan, Zac Efron harmonized with the high-pitched host on a Beach Boys cover — a reprisal of his impromptu a cappella street performance on the Champs-Élysées during his high school drama class trip. Plus: Courteney Cox prefers not to spread her legs for a spray tan; and Fran Drescher read some steamy Nanny fiction. Watch our compilation to see what you missed.