The couple have been married for 12 years.
'With great sadness, Ronan and Yvonne Keating today announce their separation,' reads a statement.
'The separation is amicable and they will continue to work together in order to provide the best for their children. The family ask for privacy at this difficult time.'
Ronan, 33, and Yvonne are parents to Jack, 11, Marie, 9, and Ali, 4.
Where to next?
- Coping with divorce
- Celebs who need a hug!
- Funny animal pics
- Latest celeb gossip