Countdown's Riley leaves husband

Countdown star Rachel Riley has left her husband just over a year after they married.

The maths expert, who recently starred in Strictly Come Dancing, married university sweetheart Jamie Gilbert last August.

A spokeswoman for the star confirmed the pair, who live in Essex, have separated .

Riley, who replaced Carol Vorderman on the daytime show, married in front of guests including co-star Nick Hewe r.

She was the fifth star to be voted off this year's series of Strictly Come Dancing, losing the dance-off to Abbey Clancy.

Riley and partner, Pasha Kovalev, were unanimously given the boot by judges after the head-to-head battle with the model who has been touted as one of this year's main contenders.