Selena Gomez attended a Katy Perry concert last night (May 31) with models of the moment Cara Delevingne and Suki Waterhouse.
Fellow model Mary Charteris was also on the girls night out and Gomez posted a picture to her Instagram account of the group with the caption, "This is how we do, da do @marycharteris @caradelevingne @sukiwaterhouse"
Instagram/selenagomez
Waterhouse also shared a snap from the gig as her and Delevingne posed backstage with a security worker.
Instragram/sukiwaterhouse
