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9 Great Songs You Didn’t Know Katy Perry Wrote

Pop singer has been writing songs for fellow stars throughout career

Katy Perry; Rolling Stone; 10 Great Songs You Didn't Know; Nicki Minaj; Ariana Grande; Miley Cyrus; Iggy Azalea; Rita Ora

HOLLYWOOD, CA - SEPTEMBER 08: Singer Katy Perry is honored during her hand print ceremony at TCL Chinese Theatre IMAX Forecourt on September 8, 2015 in Hollywood, California. (Photo by Alberto E. Rodriguez/Getty Images)

Alberto E. Rodriguez/Getty

Katy Perry launched her career as a Christian pop star named Katy Hudson in 2001, which gave no indication that by 2008 she would take the pop world by storm with the debauched, raucous and cheeky album One of the Boys that featured feisty, electro-pop-rock songs named “I Kissed a Girl” and “Ur So Gay.” Perry’s surprising re-entry into the world of pop also came through in her songwriting, which she’s been doing for other artists since around the time of her career change. Hear some of the catchy, anthemic tracks Perry has written for everyone from Nicki Minaj to Selena Gomez. 

Katy Perry; Rolling Stone; 10 Great Songs You Didn't Know; Nicki Minaj; Ariana Grande; Miley Cyrus; Iggy Azalea; Rita Ora

HOLLYWOOD, CA - SEPTEMBER 08: Singer Katy Perry is honored during her hand print ceremony at TCL Chinese Theatre IMAX Forecourt on September 8, 2015 in Hollywood, California. (Photo by Alberto E. Rodriguez/Getty Images)

Alberto E. Rodriguez/Getty

Iggy Azalea Featuring Rita Ora, “Black Widow”

Iggy Azalea's "Black Widow" was originally meant for Katy Perry's Prism, but after hitting the cutting room floor, the dark, trap-inflected song — which bears similarities to Perry's hit "Dark Horse" — was given to Azalea for her debut album, The New Classic. Though Perry couldn't appear on the track, Azalea found a partner-in-crime with Rita Ora who belts the hypnotic chorus on the single. 

Katy Perry; Rolling Stone; 10 Great Songs You Didn't Know; Nicki Minaj; Ariana Grande; Miley Cyrus; Iggy Azalea; Rita Ora

HOLLYWOOD, CA - SEPTEMBER 08: Singer Katy Perry is honored during her hand print ceremony at TCL Chinese Theatre IMAX Forecourt on September 8, 2015 in Hollywood, California. (Photo by Alberto E. Rodriguez/Getty Images)

Alberto E. Rodriguez/Getty

Kelly Clarkson, “Long Shot”

Written between Perry's Christian pop debut, Katy Hudson, and her much edgier One of the Boys for an unreleased LP meant to debut on former label Def Jam, the raucous "Long Shot" ended up on Clarkson's fourth album, All I Ever Wanted. Perry wrote the song with her ex-boyfriend Matt Thiessen of Relient K about the risk of romance. Clarkson's warm delivery gives the lyrics a little boost of heartbreak above the riff-heavy track.

Katy Perry; Rolling Stone; 10 Great Songs You Didn't Know; Nicki Minaj; Ariana Grande; Miley Cyrus; Iggy Azalea; Rita Ora

HOLLYWOOD, CA - SEPTEMBER 08: Singer Katy Perry is honored during her hand print ceremony at TCL Chinese Theatre IMAX Forecourt on September 8, 2015 in Hollywood, California. (Photo by Alberto E. Rodriguez/Getty Images)

Alberto E. Rodriguez/Getty

Ashley Tisdale, “Time’s Up”

Tisdale revamped the song "Love Is a Train," written by Katy Perry but never released by the singer. The High School Musical star renamed it "Time's Up," and she included it on her sophomore album, 2009's Guilty Pleasure