It's difficult to put a finger on what makesTopher Graceso sexy. His awkward yet endearing role as Eric Foreman onThat '70s Showfulfilled all of our nerd-boy fantasies, thanks to his deadpan sarcasm and schoolboy charm. And as he graced the big screen time after time, we fell even further in love with the actor who can play superheroes, grocery store managers, and master's students alikeand look damn good doing it.In celebration of Topher's 37th birthday, we present: His sexy shirtless bod through the years. You're welcome.

Gorgeous Grace No. 1: Win a Date with Tad Hamilton
Topher Grace shirtless in Win a Date with Tad Hamilton

Topher'swin against Josh Duhamel inWin a Date with Tad Hamiltonproved that nice guys don't always finish last. Let's face it: We'd choose his wood over most any day of the week.

Tantalizing Topher No. 2: P.S.
Topher Grace shirtless putting on a tie

Mr. Grace is mounted by an admissions officer during a preliminary interview in this flick, proving that people are probably having great sex in every building on any given college campuswhether they're students or not. And is there anything sexier than a man in nothing but a tie? No. We think not.

Grace's Grand Finale: Valentine's Day
Topher Grace lying in bed shirtless as Anne Hathaway straddles him

And then there was that one time Anne Hathaway got to climb on top of Topher and take a bunch of photos of his shirtless bod. Is it just us, or does he get better looking as time goes by? Regardless, we're certainly glad he Gracedus with his presence 37 years ago, and we hope to see a lot more from this star in the future.

Oh, and Topher? We mean that literally. Happy birthday!