From being an unknown gospel singer to becoming one of the world's biggest pop sensations, Katy Perry continues to rock the world both on and off the stage. We tell the story of Katy Perry through interviews music videos of some of her hits.
Katy Perry is living proof that if you just be yourself, you can be anything! Get an inside look at how she became one of the biggest stars in the world!
On this week's chart: Justin Bieber gets his own street in Texas, Cookie Monster has a vocal doppelganger and the new Oreo is a giant
Katy Perry hands out dance challenges based on her hit songs as the top seven crews continue their quest for the ABDC Season 6 title.
The final two crews get advice from Katy Perry before taking the stage with former ABDC champions, and a new winner is crowned.
To celebrate the release of her new album "Prism," this special features a live performance by Perry, as well as a Q&A with the multi-platinum artist discussing her new album.
Jeremy Scott talks fashion on the 2011 EMA red carpet.
Tori Spelling Goes from Bling to Budget; Top Costumes for Trick-or-Treaters
More Mothers Turn to Prescription Drugs; CVS Requires Employees to Report Weight
Bruce Willis hosts Saturday Night Live with musical guest Katy Perry.
'Fifty Shades of Grey' Casting Crisis; Katy Perry's 'Roar' Contest Winner Announced
Jamie Dornan Cast in 'Fifty Shades of Grey' Movie; Katy Perry's 'Roar' Contest Winners Prepare for the Big Event
Richard is trapped in a strange womans bathroom he can't remeber with a huge hangover..Skits include Broekback River, Britney or Taylor,Dateline:to catch a steeler, and katy Perry Porn
Icona Pop talks with Caroline about their upcoming collaborations with Miley Cyrus and Katy Perry.
Britney Spears praises Katy Perry and her song 'Passenger' on Britney Jean and talks about her break up!
"Just Give Me a Reason" by Pink featuring Nate Ruess, "Locked Out of Heaven" by Bruno Mars,"Roar" by Katy Perry; "Royals" by Lorde and "Same Love" by Macklemore & Ryan Lewis featuring Mary Lambert are the nominees for song of the year at the 2014 Grammy Awards.
Katy Perry and John Mayer share an adorable behind the scenes video of their Who You Love photo shoot!
One Direction's Niall Horan and Katy Perry dine out one month on from their engagement joke on Instagram.
Katy Perry was honored by Unicef as she was named the newest Unicef Ambassador and attended the Snowflake Ball as Christina Ricci supported her in full cleavage fashion.
The singer poses with boyfriend John Mayer in a stunning black and white photo. But can Chelsea Handler and Chuy top it?
Jake, Kitty, Unique and Tina perform a slow, stripped-down version of Katy Perry's "Wide Awake."
The Gossip Table chooses the best significant others for celebrities like Ciara, Katy Perry and more.
The Gossip Table looks at the style catastrophes of celebrities like Nicole Scherzinger, Katy Perry and more.
The hosts weigh in on the creative duo of John Mayer and Katy Perry and mixing business with pleasure.
Singer poses with Mayer in black and white
Brit tells MTV News how she got songwriting help from another pop star who went through a bad breakup.
Katy Perry looks stunning at the UNICEF Snowflake Ball after being named as a Goodwill Ambassador.