Efron covers his signature shag do with a knit hat while out in Burbank, Calif. Plus: Kristen Stewart, Johnny Depp, Gisele Bündchen and more


Thumbs up! Joan Rivers – who donated her Celebrity Apprentice winnings (provided by the MAC AIDS Fund) to the charity God's Love We Deliver – is on hand Tuesday as the organization packs up their 10 millionth meal for the homebound in New York City.