The Gypsy Weddings star was voted the champion ahead of runner-up Kerry Katona.
Doherty left the house to a massively positive reaction from the crowd and Kelly Rowland's 'What a Feeling'.
He told host Brian Dowling: "Thanks very much. God bless every one of you."
On whether he predicted that he would win the series, he replied: "I swear to God. One week, that's all I thought. I didn't think I'd get this far.
"I had no gameplan, I was just myself. I thought Jedward was going to do it. Pair of sausages."
Speaking about how he found life in the house, he said: "I'm not used to mixing in that way. You're like a fish out of water. It surprised me, and I'm very grateful to the public for voting for me."
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He named Darryn Lyons as a "proper gentleman" and described Jedward as "a nightmare".
An emotional Doherty was later joined by his "woman", with Dowling declaring that he had done his community "proud".
Model Bobby Sabel was the first evictee of the night, followed by 'Mr Paparazzi' Darryn Lyons, actor Lucien Laviscount, and The Only Way is Essex star Amy Childs.
Irish twins Jedward finished in third place, while reality star Kerry Katona finished as runner-up to Doherty.
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Watch the moment Paddy Doherty won Celebrity Big Brother below: