Face first! Ha!
Monday night, Katy Perry's dancers, backup singers, husband and fans all sang Happy Birthday live to the superstar at Belfast's Odyssey Arena. The crew brought out a beautiful cake for Katy to snack upon, but instead, she decided to share with the people who make it all worth while: the folks in the front row!
Check out the video (above) to watch Katy hit her fans upside the head with a massive cake!
A happy birthday indeed!