"Maybe, like, a little barbecue sauce on her face," the 35-year-old actor told PEOPLE when asked about what makeup he likes best on his wife at a screening of Marvel's Guardians of the Galaxy hosted by The Cinema Society and FIJI. "I think that's probably about the sexiest."
He added: "I like when she does her smoky eye. You know, we get really lucky because she has professional makeup artists do her, so I don't think she's ever not looked sexy. Then again, I like her with no makeup on too."
For her part, Faris, 37, likes Pratt best when he's enjoying food as well. "As soon as he gets back home from his press tour, he is going to be in our garage working on his car for like a 12-hour stretch," she tells PEOPLE. "Hopefully he'll be eating some steak and potatoes and we'll be having a beer together."
Pratt shows off his sexy superhero look – and opens up about his marriage and life as a dad to nearly 2-year-old Jack – in the new issue of PEOPLE.
So did people tease Pratt while he was dieting for Guardians of the Galaxy? "Every once in a while people would make fun of me, but that's what keeps it real," Pratt says. "That's what keeps your friends and family close is that they give you s–––!"