Havana Camila Cabello feat. Young Thug Download 'Havana' on iTunes
To celebrate Katy Perry playing the Capital FM Jingle Bell Ball 2013 in December, take a look at just how much the 'Roar' singer has changed over the years starting back in her childhood days and leading right through to today!
Katy Perry and her boyfriend Travis McCoy attending the Christian Dior Spring Summer 2009
Katy Perry performs on stage at the Katy Perry iHeartRadio album release party