Don't people usually put on their most fierce outfits for the streets of Milan??!
We guess the rules don't apply to international superstars like Katy Perry! LOLz!
We must admit she looks very cozy, but we're still crossing our fingers that she changed into something a bit more fashion conscious at the hotel.
Perhaps the thought of Niall's baby blue eyes had her distracted!!! In that case, we forgive her! HA!
[Image via FameFlynet Pictures.]