© @Copyright HELLO! Hello! Magazine He's been happily married to his wife Ali Astall for five years, but dated some surprising celebrities before he found lasting love.The host has had a couple of long-term relationships in the public eye before settling down, starting when he was just a teenager and first found fame on Byker Grove. Dec dated Clare Buckfield – the star of Grange Hill and Two Point Four Children - for 11 years after meeting when they were teenagers.