Robert Irwin REACTS to Sexy Underwear Ads! (Exclusive)

Robert Irwin is all grown up! After stripping down for an ad campaign with BONDS, the 21-year-old son of late ‘Crocodile Hunter’ Steve Irwin is spilling set secrets with ET. He shares how mom Terri helped him get in shape for the sexy shoot and reveals what he’s looking for when it comes to love.