(Cover) - EN Star Style - Mel B has installed a state-of-the-art gym in preparation for her post baby fitness regime, according to sources.

The star is five months pregnant with her and husband Stephen Belafontes first child. Mel, who also has daughters Phoenix Chi, 12, and four-year-old Angel from previous relationships, is famed for her toned physique.

Sources close to the former Spice Girl say she is anxious about losing her baby weight before she joins the panel of the Australian X Factor later this year, and so has reportedly installed a gym at her Los Angeles home in anticipation.

Mels had a floors worth of exercise equipment delivered and shes planning to have a trainer every day and wants to get straight back into working out. But shes worried she wont be dress ready by the time X Factor live shows start, a source told Closer magazine.

The 35-year-old has reportedly been embarking on a series of activities including power walking to ensure she keeps up her impressive fitness levels. The star hasnt been depriving herself of her favourite foods and is eager to stay healthy so that less work is required once she has given birth.

Shes power walking on the treadmill and making sure she keeps fit in the hope shell snap back into shape quickly, the source added. (C) Cover Media