8. Queenie in 'Water for Elephants'

If, in retrospect, Robert Pattinson's inseparable traveling companion looks familiar, you're right: "She" is played by none other than Uggie, the star of 'The Artist.' Rob supposedly fell for Uggie so hard that it was reported he took him home after the film wrapped. (Although he really adopted a shelter dog, one more reason to love RPattz.)