What a combo!
Taylor Swift brought some pretty special guests on stage in California!
She has been singing with all the stars on her 1989 tour. People like Nick Jonas, Fifth Harmony and loads more!
Well the girls from Little Mix were next up and they belted out Black Magic with Swifty
— Taylor Swift (@taylorswift13) August 16, 2015
As you might expect it was absolutely amazing, you can watch the performance below!