'Ace Ventura: Pet Detective's Jim Carrey and Courteney Cox on Iconic 'Cockatoo' Hair (Flashback)

'Ace Ventura: Pet Detective' turns 30! Jim Carrey and Courteney Cox chat with ET on the set of the 1994 film. Jim opens up about bringing the character of Ace Ventura to life, explaining that he's embracing 'the insanity that lurks within.' Courteney shares her experience working with Jim on set and jokes that it's really her movie and Jim's just her love interest.