Michael Kovac, Getty/ Tim Whitby, Getty
Back in 2009, Miley Cyrus packed up her dream and cardigan and blasted through our airwaves with "Party in the U.S.A." Despite her apprehension about fitting in in the land of fame and excess, the "Hannah Montana" star solidified the track as a feel-good anthem.
Little known to Miley fans is the fact that the hit was written by another pop songstress -- Jessie J!
Back then, Jessie J was Jessica Cornish, an undiscovered singer-songwriter. Cornish co-wrote the song with Claude Kelly, who leaked a 30-second snippet of her singing the demo version.
"in the studio with Jessie J reminiscing about how it ALL got started," Claude posted on his SoundCloud page. "Pea, Moonhead and the incredible Coconut Man. this is the first song we ever did. i guess we did ok, right?"
Listen to Jessie J singing "Party in the U.S.A." (with slightly different lyrics!) in the clip below.
Listen to "Party in the U.S.A. Demo"
See Jessie J in our "Secret Songwriters: Do You Know Who Wrote That Tune?" Gallery
- Katy Perry Wrote Kelly Clarkson's 'I Do Not Hook Up'
- Bruno Mars Wrote Cee-Lo Green's 'F--k You'
- Jessie J Wrote Miley Cyrus' 'Party in the USA'
- Prince Wrote The Bangles 'Manic Monday'
- Kesha Wrote Britney Spears' 'Till the World Ends'
- Carrie Underwood Wrote Lauren Alaina's '18 Inches'
- Christina Aguilera Wrote Kelly Clarkson's 'Miss Independent'
- Nas Wrote Will Smith's 'Getting Jiggy Wit It'
- Can You Believe They're the Same Age?
- Lindsay Lohan and Dianna Agron
- Adele and Hayley Williams
- Florence Welch and Lea Michele
- Lady Gaga and Mary-Kate Olsen
- Fantasia Barrino and Avril Lavigne
- Miranda Cosgrove and Taylor Momsen
- T-Pain and Carly Rae Jepsen
- Celebrities Who Married Young - Barely Legal Brides!
- LeAnn Rimes Was a Bride at 19
- Avril Lavigne Was 21 When She Walked Down the Aisle
- Hilary Duff Said 'I Do' at 22
- Kevin Jonas Proposed at 21, Married at 22
- For Hanson, Marrying Young Runs in the Family
- Kate Hudson Married at 21 After Dating Just a Year
- Solange Got Married in a Hurry
- Can You Believe They're Related?
- Miley and Trace Cyrus
- Jessica and Ashlee Simpson
- Britney and Bryan Spears
- Vanessa and Angela Simmons
- Jonas Brothers and Frankie Jonas
- Natasha and Daniel Beddingfield
- Ashanti and Kenashia Douglas
Watch AOL Music's "A Day in the Life With Jessie J"
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