Dwayne Johnson has become my most enormous buddy," Emily Blunt says of her co-star in a new featurette, exclusive debuting on ET. In Disney's latest adventure, the duo plays unlikely allies-turned-true odd couple (the movie is also a love story!), while on set, the actors didn't just become fast friends — they became swole mates.«I think I imagined that he would be larger than life — which physically, clearly he is,» Blunt says.