Gigi Hadid Threw Joe Jonas A Surprise Party And This #Megasquad Showed Up

Serious squad goals.

It's not even Joe Jonas' birthday yet, but he already had a pretty epic surprise.

His model GF, Gigi Hadid, threw him an early birthday party at the StubHub Center in Los Angeles, where the LA Galaxy play, and his "#megasquad" all showed up.

Gigi literally blindfolded the birthday boy and, to his surprise, everyone was there...

...including rumored new couple Kendall Jenner and Joe's brother, Nick Jonas.

Oh, and Taylor Swift was there, too!

Taylor, thanks to model Devon Windsor's Snapchats, was caught having the best time ever at her ex-boyfriend's party, rapping along to Kendrick Lamar's "Backseat Freestyle."

So, where was her boyfriend, Calvin Harris? Well, someone had to be on cat duty, and last night seemed to be Calvin's turn.

The "How Deep Is Your Love" producer posted several Snapchats of him chilling with Tay's cats, Meredith and Olivia.

He gave them treats...

...and let them walk all over Taylor's pristine countertops.

Clearly, Taylor has found herself a keeper.