Celebrity·Posted on Jan 21, 2013Katy Perry Brought A Tiny Aretha Franklin Hat To The InaugurationAlso, John Mayer. But let's focus on the hat!by Whitney JeffersonBuzzFeed StaffLinkFacebookPinterestTwitterMail But for the record, we could not find any pictures of Katy actually *wearing* it. Just Katy, her coat with no pin in sight, and John Mayer. Lots of John Mayer. Best accessory of the day!