Lillie, who has reclaimed her enjoyment of going out, eats only two courses instead of her previous three.
It also features a state-of-the-art kitchen with a line of ovens and a huge grey breakfast bar.
Molly and Lily are her two daughters from her 2002 marriage to Brian McFadden, a former member of Westlife.
The former Atomic Kitten singer was disgraced after the News Of The World published images of the star apparently snorting cocaine.
The pictures are framed and hanging on the wall, adding some colour to her neutral scheme.
Downstairs, the house has gleaming floorboards and tiles, white and grey walls, and cottage-style beams fixed on the ceiling.