Kesha Celebrates With Taylor Swift at 'You Need to Calm Down' Party!

Taylor Swift had a blast partying with her “You Need to Calm Down” music video co-stars – and it appears Kesha was in on it, too!

The 29-year-old “This Is Why We Can’t Have Nice Things” singer and the 32-year-old “Praying” singer posed together in a cute selfie alongside Beyonce impersonator Riley Knoxx, who played Bey in the music video.

PHOTOS: Check out the latest pics of Taylor Swift

“When they put a selfie light in the ladies room we must take advantage.
@taylorswift and @iiswhoiis the KOOLEST rockstars ever!” Riley captioned the adorable group shot.

Click here to see who else helped Taylor celebrate her new music video and MTV VMAs nominations!