Hit R&B/Pop songwriter Claude Kelly has been having a great year . Fresh off the release of his lead singles for David Archuleta (“Falling Stars”), Fantasia (“Bittersweet”), and Britain’s Olly Murs (“Please Don’t Let Me Go”), Claude Kelly has penned the first track, “Express” by Christina Aguilera, for the highly anticipated Aguilera and Cher feature film, Burlesque. Adding more leverage to his resume, Kelly is also credited for penning Akon’s verse for Flo Rida’s new single “Who Dat Girl” and Fefe Dobson’s new outing “Stuttering.” Kelly and Aguilera are no strangers when it comes to collaborating. The “Studio Beast” wrote six tracks for her Bionic album and has written for numerous other divas, including three songs for Whitney Houston’s I Look To You album. Previous music credits also include the movie soundtrack for Sex and the City 2, where Kelly penned the standout single “Love Is Your Color” by Leona Lewis and Jennifer Hudson.