Sophie and Richard, a bassist from rock band The Feeling, tied the knot in 2005.
The couple have five sons together – Sonny, 16, Kit, 12, Ray, eight, Jesse, five, and Mickey, two.
She is most famous for the tracks Murder on the Dancefloor and Take Me Home after finding fame with Groovejet.
She sang the vocals for their song If This Ain’t Love, which reached number one in 2000 and beat Victoria Beckham’s first solo release.
Spinning Plates by Sophie Ellis-Bextor is released on October 7.