Get Fit With Mel B is a video game under development by UK developer Lightning Fish Games. It will be the first game to make use of the Xbox 360's Kinect and the Sony PlayStation 3's PlayStation Move. It will also appear on the Wii.. It will be timed-exclusive to PlayStation 3.
The game is licensed by Fitness First.
The game is essentally a Fitness game, with Melanie Brown as the player's fitness coach.
Source: Wikipedia, "Get Fit With Mel B", available under the CC-BY-SA License.