Contactmusic.com reports that the "Toxic" hitmaker announced about the joint project on her Twitter account, which will reportedly be included in her forthcoming Femme Fatale release.
"In the studio with @iamwill... you guys are gonna love this one (sic)," she posted on her Twitter page. Spears' seventh studio album is due to hit shelves next month.
(Published 10 February 2011, 02:05 IST)