Of course, Tay-Tay was there next to him too … screaming her head off, all while knocking back drinks with Brittany Mahomes and other gal pals in tow, like Cara Delevingne. From the looks of the photos of their celebration, they were having a damn good time in there.
He picked both girls up and carried took ’em to the window, where they were able to waive hi to Taylor and everyone else inside … and Jason was just playing everyone’s cool uncle.