Now: Katy Perry vs Britney Spears
Katy Hudson
vs ...Baby One More Time
One of the Boys
vs Oops!... I Did It Again
Teenage Dream
vs Britney
Already done
Madonna vs. Janet
J.Lo vs Rihanna
David Bowie vs Prince
Lady Gaga vs Lana Del Rey
Kelly Clarkson vs Carrie Underwood
Adele vs Amy Winehouse
Bruno Mars vs Justin Timberlake
Jay-Z vs Nas
P!nk vs Avril Lavigne
Beyonce vs Christina Aguilera
Britney Spears vs Shakira
Demi Lovato vs Selena Gomez & the Scene
Hilary Duff vs Miley Cyrus
Florence & the Machine vs Marina + the Diamonds
Lil' Kim vs Da Brat
Destiny's Child vs TLC
Eminem vs Kanye West
Ke$ha vs Katy Perry
Mariah Carey vs Whitney Houston
Mary J. Blige vs Toni Braxton
Taylor Swift vs Carrie Underwood
Shakira vs Jennifer Lopez
Kylie Minogue vs Madonna
Beyonce vs Britney Spears
Nicki Minaj vs Lil' Kim
Lauryn Hill vs Missy Elliott
Ciara vs Rihanna
Miley Cyrus vs Selena Gomez & the Scene
Demi Lovato vs Taylor Swift
Keri Hilson vs Ashanti
Christina Aguilera vs P!nk
Girls Aloud vs Spice Girls
Usher vs Justin Timberlake
Mariah Carey vs Celine Dion
Janet Jackson vs Kylie Minogue
Radiohead vs Nirvana
Pink Floyd vs Led Zeppelin
Shakira vs Christina Aguilera
Linkin Park vs Coldplay
No Doubt vs Paramore
P!nk vs Kelly Clarkson
Britney Spears vs Christina Aguilera
2NE1 vs Girls' Generation
Kendrick Lamar vs Drake
P!nk vs Beyonce
Carly Rae Jepsen vs Ellie Goulding
Aaliyah vs Ciara
Beyonce vs Lady Gaga
Frank Ocean vs Miguel
Rihanna vs Beyonce
Eve vs Nicki Minaj
Lady Gaga vs Britney Spears
Katy Perry vs Rihanna
Drake vs ASAP Rocky
Rihanna vs Britney Spears
Katy Perry vs Lady Gaga
Jennifer Lopez vs Beyonce
Lana Del Rey vs Marina & the Diamonds
Lil' Kim vs Missy Elliott
Iggy Azalea vs Azealia Banks
Lady Gaga vs Christina Aguilera
Nicki Minaj vs M.I.A.