Taylor Swift turned 25-years-old over the weekend, and she spent it busting out to the sounds of Jay Z and Justin Timberlake, during Mr JT's New York City tour of The 20/20 Experience on Sunday in Brooklyn - with Beyoncé.
Jealous much? Because we so are.
Not only was Taylor playing fan girl in the audience, but she was partying with her model BFF Karlie Kloss, the Haim sisters, Sam Smith, Selena Gomez, Chrissy Teigen, Justin Timberlake and Mr and Mrs Carter themselves during her birthday bash on Friday night.
Take a look at the photos she posted on Instagram...
Best birthday ever? That would be mainly, yes.
Taylor and Beyoncé were spotted dancing in the VIP area (naturally) to 'Holy Grail' during Sunday night's gig and here's a sneak peek at how they shake it off together...
LOVE TAYLOR'S STYLE? Flick through this gallery to see more looks from the American gal getting it right on the style front.