Katy Perry wrapped up warm at Barack Obama's Inauguration the other day in a beautiful Rodarte coat and dress.
Even though we love the shearling coat and embellished dress, it's the felt fedora hat we're lusting after.
Fedora hats are a big trend at the moment, spotted on a number of celebrities including Millie Mackintosh, Myleene Klass and Eva Longoria.
It's now time to jump on the trend too and shop our selection of best ones you can buy now.
Katy Perry's fedora hat: Steal her style
Marl Fedora Hat Buy now £25, Topshop
New Modern Fedora Buy now £88, Free People
Black felt fedora hat Buy now £25, Miss Selfridge
Marl Fedora Hat Buy now £25, Topshop
Juicy Couture Black Floppy Wool Crystal Embellished Fedora Buy now £110, Stylebop.com
Paul Smith fedora hat Buy now £130.24, farfetch.com
Biba Feather fedora Buy now £75, House of Fraser
Denim and Supply Ralph Lauren Fedora hat Buy now £60, House of Fraser
Helene Berman Learge Feather Fedora Women's Hat Buy now £25.60, Amazon
Wide Fedora Hat Buy now £48, Free People
Femalefirst