Ben Shephard, 45, will name the winner of Ninja Warrior UK tonight alongside fellow hosts Rochelle Humes and Chris Kamara. But how many children does the Ninja Warrior host have?Ben Shephard and wife Annie Perks recently celebrate their 16th wedding anniversary after tying the knot in 2004.The Ninja Warrior host is seen to keep his private life away from the spotlight; however, he has opened up on his social media.Ben is seen to show his love for wife Annie throughout his Instagram.He dedicated a post to his wife, Annie, for their 16th wedding anniversary.The post saw a picture of the couple from their wedding day in a loving embrace.Ben captioned the post: "Can't quite believe another year has gone past, suddenly this one feels all more.