Ashlee Simpson - Love makes the world go round
Ashley Tisdale - Me without you
Britney Spears - Everytime, someday I will understand, out from under
Christina Aguilera - Lift me up
Fergie - Big Girls don't cry
Gwen Stefani - Cool
Hilary Duff - Holiday, Come Clean, Now you know, Underneath this smile, the getaway, someone's watching over me
Katy Perry - Thinking of you
Ke$ha - The Harold Song
Kelly Clarkson - Because of you
Lady Gaga - Brown Eyes
Leighton Meester - Words I couldn't say (cover RF)
Lindsay Lohan - A Beautiful life
Miley Cyrus - Bottom of the ocean, goodbye, Stay
Pink - Who knew
Paris Hilton - Jealousy
Rihanna - Unfaithful, Take a bow, California King Bed
Selena Gomez & The Scene - Ghost Of you, the way I loved you
Sugababes - No more you, Little Miss perfect
Taylor Swift - Back to december, Breath, white horse, Last kiss, you're not sorry
PCD - Stickwitu, I hate this part
but my favorite is Taylor Swift - Dear John
