Osbourne, 53, and her husband have three children: Aimee, 22; Kelly, 21; and Jack, 20.
"I'm absolutely delighted to be voted Freemans Celebrity Mum of the Year and the fact that this is a public vote makes it extra special," she said.
"It has been a very tough few years and the British public have been so supportive of me and the family, and seen that I am a real old-fashioned British girl at heart.
"I hope my kids will be proud of me."
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