[Saph]

a few I found, add any more

Pussycat Dolls 'Dont Cha' was originally meant for Paris Hilton

Lady Gagas 'Telephone' was originally meant for Britney Spears

Kelly Clarksons 'Since U Been Gone' was originally meant for Hilary Duff

Rihannas 'Disturbia' was originally meant for Chris Brown

Britney Spears' 'Toxic' was originally meant for Kylie Minogue

Rihannas 'We Found Love' was originally meant for Leona Lewis/Nicole Scherzinger

Selena Gomezs 'Come & Get It' was originally meant for Rihanna

Justin Timberlakes 'Rock Your Body' was originally meant for Micheal Jackson

Jay Z and Kanyes '*****s In Paris' was originally meant for Pusha T

Kanye Wests 'Gold Digger' was originally meant for Shawnna

Rihannas 'SOS' was originally meant for Christina Millian

Rihannas 'Umbrella' was originally meant for Britney Spears/Mary J Blige

Britney Spears '...Baby One More Time' was originally meant for TLC

Whitney Houstons 'How Will I Know' was originally meant for Janet Jackson

Britney Spears' 'Im A Slave 4 U' was originally meant for Janet Jackson

Jennifer Lopezs 'Lets Get Loud' was originally meant for Gloria Estafan

Toni Braxtons 'Un-Break My Heart' was originally meant for Celine Dion

The Black Eyed Peas' 'My Humps' was originally meant for The Pussycat Dolls

Kelis' 'Milkshake' was originally meant for Britney Spears

Ushers 'DJ Got Us Fallin In Love' was originally meant for Rihanna