Spinner.com has put together a list of 11 songs that became hits, but were originally written for someone else. Apparently (and thankfully) this seems to be more commonplace within pop land...you'll see what I mean when you see this list.

Britney Spears' “Baby One More Time" was originally written for TLC.

Whitney Houston's "How Will I Know" was originally written for Janet Jackson.

Beyoncé's "Halo" was originally written for Leona Lewis.

Justin Timberlake's "Rock Your Body" was originally written for Michael Jackson.

Kelly Clarkson's "Since U Been Gone" was originally written for Pink (Hilary Duff also passed on it).

Kanye West's "Gold Digger" was originally written for Shawnna.

Rihanna's "Umbrella" was originally written for Britney Spears.

Aerosmith's "I Don't Want to Miss a Thing" was originally written for Celine Dion.

Britney Spears' "Toxic" was originally written for Kylie Minogue.

Kelly Clarkson's "Miss Independent" was originally written for Destiny's Child (and Christina Aguilera also passed on it).

Rihanna's "Disturbia" was originally written for Chris Brown.

See the full article HERE