Take a look at this adorable baby girl as her frown is turned upside down!
Katy Perry Videos
The California Gurls singer has premiered the full promo video for her first documentary film.
Watch the new Adidas advert in which David Beckham and Katy Perry go for a run.
The 27-year-old star has unveiled the hotly anticipated music video for her latest single Part Of Me.
Singer unveils snippet of "Last Friday Night (T.G.I.F.). Watch it here!
Katy Perry's released the full length video for her new single 'Firework'
Popstar Katy Perry shows off her toned body as she frolics on the beach with actor Josh Kloss in Teenage Dream video
Thankfully for him, Russel Brand didn't have to face the same wrath that Katy's love interest did in this video...
Here's Katy's homage to her home state, apparently an answer song to Jay-Z's tribute to New York in 'Empire State of Mind'.