Credit: Todd Oren/Getty Images

Vanessa Hudgens and 90210's Shenae Grimes stopped by the Activate Drinks Get Activated Pop-Up Shop in Venice, California. Hudgens, who has been hard at work filming her new movie Machete Kills, took some time off to dance around the shop with Grimes and try different flavors of the new beverage. Click through the gallery to see more stars at this week's hottest events.