Celebration is in order, friends, because it’s the inimitable Sarah Michelle Gellar’s birthday today, and she’s one star we’re more than happy to shower with our love. The incredible actress turns 40 on April 14th, and to honor her contributions to film, TV, and, well, humanity, we’ve put together this tribute to our #1 gal.

Whether you’ve loved her since Cruel Intentions or became a fan during the Scooby Doo years, keep scrolling to relive some of SMG’s most iconic roles and famous quotes. Happy Birthday, boo!

I Know What You Did Last Summer, 1997

In I Know What You Did Last Summer, SMG played beauty queen Helen Shivers, an aspiring actress who winds up involved in a murder.

Scream 2, 1997

Continuing her run as a teen horror movie queen, Gellar played Cici Cooper in Scream 2, a sorority girl who winds up dead at the hands of Ghostface.

Simply Irresistible, 1999

SMG was simply irresistible in this quirky ’90s rom-com. She starred as Amanda Shelton, a magic power-wielding chef whose emotions dramatically changed the quality of her food.

Cruel Intentions, 1999

Among her most iconic roles, SMG played sexually confident — and pure evil — prep school student Kathryn Merteuil in Cruel Intentions, intent on deflowering the headmaster’s daughter.

Buffy the Vampire Slayer, 1996-2003

Perhaps the role she’s best known for, Gellar played the titular role of Buffy Summers in this classic, ass-kicking TV series.

Scooby Doo, 2002 and 2004

After a slew of horror films and nearly a decade of slaying vampires, SMG took on a lighter role as Daphne Blake in the first and second Scooby Doo movies.

Ringer, 2011-2012

In this dark drama, Gellar played the role of good/bad twins Bridget Kelly and Siobhan Martin. When Siobhan disappears, Bridget takes over her life — and her secrets.

The Crazy Ones, 2013-2014

Starring alongside the great Robin Williams in this comedy, Gellar played the buttoned-up daughter, Sydney, to Williams’ quirky Simon.

We love you, SMG! HBD!