It’s Leighton Meester’s birthday, and that means our beloved Blair Waldorf is another year older. And even though Gossip Girl has been off the air for over a year now, Netflix, DVDs and reruns makes it just as much a part of our lives as ever. In honor of Leighton’s birthday, let’s look back at some of her best moments— fashion, singing, etc— as Queen B (and some of her other roles on and off screen).

Blair’s Wedding Attire

Blair’s School Uniform

Leighton’s Concert Apparel

Blair’s Paris Looks

Blair’s dirty looks

Crazy Rebecca attacking Minka Kelly

Chiles Stanton’s duet with Beau Hutton

Blair’s friendship with Serena

Blair’s relationship with Chuck

Leighton’s Popstar Moment

Blair’s Audrey dreams and obsessions

In conclusion, Ed Westwick says it best:

All gifs: http://www.tumblr.com