"Watch What Ya Shakin"
Britney's second collaboration with the Ying Yang Twins. Was confirmed by them in a 2004 radio interview. It's been rumored
to sound similar to the Ying Yang Twin's hit with Lil' Jon "Get Low."
Miscellaneous/Other
"And Then We Kiss" (Original Version)
Original version produced by Mark Taylor. Original mix of the song was to be released on the UK and Japan versions of the "Britney and Kevin: Chaotic" DVD bonus disc, but was taken off. The only version of the song released is the Junkie XL remix on 'B In The Mix: The Remixes.' Despite this, it's speculated that there's only one version of this song.
Cover of "Trouble" by Elvis Presley. A clip of it was heard at the beginning of her 2007 VMA Performance. A studio version of the clip has been released since then.
Listed below are collaborations that Britney was meant to or considered to appear on, but were refused by her record label.
"Nobody Wants To Be Lonely" (performed by Ricky Martin and Christina Aguilera)
Originally meant to be a duet for Ricky Martin and Britney. Source currently unavailabe.
"Tilt Ya Head Back" (performed by Nelly and Christina Aguilera)
"Dorian Moore, the producer of Nelly's "Tilt Ya Head Back," told the St. Louis Post-Dispatch that the song was originally meant to be a duet for Nelly and Britney Spears, but that Jive, Spears' label, pulled out because the song sounded too "urban." October 2004 Source
at xtina recording britney's rejected songs
omfg iwish somebody would leak all this songs
i would die happy.
now be good and stay away from banland lol 
