Tia Mowry-Hardict’s new ad campaign with People for the Ethical Treatment of Animals was released this week, with the 32-year old actress wearing nothing but lettuce leaves to show support for her vegan lifestyle. Mowry-Hardict isn’t the first celebrity to take it all off for PETA. Click below to see which other celebs teamed up with the group and stripped down to support PETA’s cause.