Danny DeVito peeled the curtain back on his acting ... DeVito imitated Schwarzenegger shoveling food into his own mouth while encouraging him to eat just as heartily.

The duo was shown nibbling on some food for a photoshoot. "Happy birthday to my favorite (rum) ham," she captioned the post. "Danny DeVito is everything you want him to be. Lights up every room ...

What do Michael Cera, Arnold Schwarzenegger, Danny DeVito, and Robert De Niro all have ... to share in their two favorite things: “eating food and going places.” They play ping-pong, swing ...