Taylor Swift brings Cara Delevingne & Mariska Hargitay out on stage during Philly show

The Taylor Swift BFF tour – better known as Swift’s 1989 tour – continued on Friday night, as Swift brought “Bad Blood” video co-stars Mariska Hargitay and Cara Delevingne out on stage during her Philadelphia show.

“Couldn’t even contain my happiness because @caradelevingne and @therealmariskahargitay surprised the crowd tonight,” Swift wrote on Instagram. As Swift has done previously, her friends came out during a performance of “Style.”

And from Taylor Instagram:

Justice and Mother Chucker at #1989TourPhilly

A photo posted by Taylor Swift (@taylorswift) on