Katy Perry Instagrammed THIS PHOTO after attending a Madonna concert.
Buy the exact same outfit that Katy is wearing here:
Her top is the Alaia Embellished Turtleneck Top. Buy it here: MYTHERESA and NET-A-PORTER
Her skirt is the Alaia Pleated Croc-Effect Miniskirt. Buy it here: MYTHERESA
Her boots are the Saint Laurent Aylah Over-the-Knee Vinyl Boots. Buy them here: MYTHERESA
Get the look for less here: