Katy PerryKaty Perry was seen onstage Wednesday night wearing a multi-level cupcake dress surrounded by dancers and puppets dressed as gingerbread men, while performing at the Mediolanum Forum in Milan, Italy.

X17Online.com is reporting that the singer was there for her 'California Dreams' world tour.

Perry even gave a shout out to Willow Smith on Twitter before she hit the stage. She tweeted, "MILANO! TONIGHT... I WHIP MY HAIR BACK N FORTH! WHO'S DOIN IT WITH ME?! #MILANODREAMS."