Sure, Sandra Hüller received an Oscar nomination for her performance in "Anatomy of a Fall," and the film itself won the coveted Palme d'Or at Cannes. But Messi the Border Collie really set tongues and tails wagging following the film's debut at the festival, going on to receive the Palm Dog honor for his performance as Snoop, a service pooch for a vision-impaired tween (Milo Machado Graner) whose mother (Hüller) is accused of murder.