Hurtin Me Stefflon Don feat. French Montana Download 'Hurtin Me' on iTunes
Check out her mini fans who made mini Katy Perry outfits just for the show.
Katy Perry is back on tour after a stint of food poisoning and was treated to these sweetly dressed fans.
"Look how cute these girls are!" Katy tweeted. "They made these dresses just for me. Too SWEET!"
The girls had copied Katy's own style, decorating their home-made outfits in candy delights.
We think they may just be the biggest, littlest Katy Perry fans ever...