Sebastian Stan [1] is making waves with his role [2] in Captain America: Civil War, but he was stealing hearts way before [3] he was Bucky Barnes. He has a pretty solid résumé [4] with appearances on Once Upon a Time [5] and The Martian, but one of his most memorable roles has to be Carter Baizen, the Upper East Side bad boy, from Gossip Girl [6]. If you're looking for a good dose of nostalgia — as well as some delicious eye candy — take a look back at some of his hottest GIFs from the show. You know you love it!

When You Wanted to Cuddle With Him Despite His Itchy-Looking Sweater

When Happy Hour Never Looked So Good

When His Puppy-Dog Eyes Could Make You Do Just About Anything

When His Wink Set a Flame Inside Your Heart

When You Actually Envied a Glass For Getting to Touch That Perfect Jawline

When His Smirk Could Turn a Good Girl Bad (We're Looking at You, Blair Waldorf)

When He Bites His Lip and You Pondered Your Entire Existence

When You Were All Like, "The Pleasure Is All Mine"

When He Pulls This Move and Suddenly You Wanted to Take Horseback Riding Lessons

When He Runs His Fingers Through His Hair Like He's Danny Zuko

When You Wanted to Be Blake Lively

When He Loses His Shirt and You Lost Your Mind

When He Gives One Sexy Walk of Shame

When He Smiles and It Looks Like the Heavens Are Shining Upon Him

When His Passionate Kiss Made You Want to Move to NYC ASAP