Robbie Williams says his marriage is his greatest achievement

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Robbie Williams' marriage is his greatest achievement.

The 46-year-old singer and his wife Ayda Field - who have children Teddy, seven, Charlie, five, Coco, 23 months, and Beau, six months, together - celebrated their 10th wedding anniversary this week, and reaching the milestone in their relationship means more to the 'Angels' hitmaker than any of his career successes.

He told HELLO! magazine: "It's more momentous than any of the records sold or Brits won or the massive tours. It's more important than that and bigger that I've actually achieved that and been a good boy and a good husband."