Los Angeles - Electronic Arts' (NASD: ERTS) Casual Entertainment label on Wednesday announced that it has signed singer Natasha Bedingfield as the spokesperson for its forthcoming "Boogie SuperStar" karaoke and dance game for the Nintendo Wii. EA also announced details on the 40-track soundtrack for the game, which will feature artists such as Aly & AJ, Chromeo, Flo Rida, Avril Lavigne and the Jonas Brothers.