Katy Perry Celebrates her 29th Birthday Performing at a High School in Colorado

The pop star Katy Perry held acompetition for schools to create their own videos for her song“Roar.”As a prize the winning school got tosee Perry performing for them at the school.

“Everyonecame together and just made fantastic videos. School spirit stilllives," PerrysaidtoGood Morning America.

The“Teenage Dream” singer performed “Roar,”her recent single 'Walking on Air' and her classic hit 'Firework' forthe Colorado students.From their side the students celebrated Perry's birthday by makingher a special cake.