Katy Perry Explains That Eye in Her Mouth on the Witness Album Cover
Katy Perry is a Grammy-nominated singer-songwriter. She has released three albums – 2008's One of the Boys, 2010's Teenage Dream and 2013's Prism – with the latter two topping the Billboard 200 albums chart. Perry has also scored eight No. 1 songs on the Billboard Hot 100. Her latest single is "Bon Appétit."