Before Blake Lively [1] was a household name in Hollywood [2], she was an Upper East Side socialite on the hit show Gossip Girl [3]. Not only did her character Serena van der Woodsen inspire us with her killer fashion sense [4], but her scenes were constantly filled with some GIF-worthy moments. While Blair was the queen bee [5] of Constance Billard, Serena was certainly the reigning champ of facial expressions. In honor of the actress's 29th birthday this week, check out her most relatable faces here, and then get your nostalgia fix by seeing what the rest of the cast is up to now [6].

The "I'm Trying to Get the Attention of the Guy Across the Bar So He'll Buy Me Another Drink" Face

The "Judging You" Face

The "Oh Crap, I've Been Caught" Face

The "I'm Feeling Myself Right Now" Face

The "Pour Some Tea and Tell Me the Hot Gossip" Face

The "I Cannot Even With You Right Now" Face

The "I Just Realized How Freaking Mad I Am at You" Face

The "I'm So Confused My Brain Actually Hurts" Face

The "Hopelessly Devoted to You" Face

The "Sure, Jan" Face

The "Flirting With My Eyes" Face

The "Sexy and I Know It" Face

The "I'm Trying to Hide How Crazy I Think You Sound" Face

The "Bored Out of My Mind on the Weekend" Face

The "Real-Life SMH" Face

The "I Cannot Believe He Just Used That Lame Pickup Line" Face

The "How Did I Just Scarf Down 15 Cookies?" Face

The "Eye Roll to End All Eye Rolls" Face

The "Perfect Hair Flip That You Try to Play Off Nonchalantly" Face

The "We'll Finish This Conversation at Home" Face

The "Let Me Show How Modeling Is Really Done" Face

The "Hell Hath No Fury Like a Woman Scorned" Face

The "Tell Me I'm Pretty and Have Nice Hair" Face

The "Trying to Get This Kink Out of My Neck Without Anyone Noticing" Face

The "So That's How It's Going to Be?" Face

The "Racking My Brain For a Proper Comeback" Face

The "See You Never" Face

The "I'm Trying Really Hard to Be a Supportive Friend Right Now" Face

The "How's Life?" Face

The "Not-So-Humble Brag" Face