Selena Gomez Hangs Out with Suki Waterhouse & Cara Delevingne in London!

Selena Gomez snaps a selfie with her gal pals backstage at the final stop on Katy Perry‘s European leg of the Prismatic World Tour on Saturday night (May 31) in London, England.

The 21-year-old entertainer was joined by British models Suki Waterhouse and Cara Delevingne.

“This is how we do, da do,” Selena captioned the photo on Instagram while quoting one of Katy‘s songs from the new album.

The night before, Selena checked out one of music’s rising stars – Sam Smith! Make sure to check out her photo with him in the gallery below.