They got engaged in New York last November after 10 years together.
And (Friday) Dermot O'Leary, 39, and long-term girlfriend Dee Koppang tied the knot at an intimate wedding in a Kent village.
After the ceremony, Mr and Mrs O'Leary marked their union by kissing outside St Mary's Church in Chiddingstone
Celebrity guests at the ceremony included James Corden, Holly Willoughby, Fearne Cotton, Bear Grylls, Gemma Cairney, Antony Cotton and Leigh Francis (aka Keith Lemon).
Representing the X Factor family was Xtra Factor presenter Caroline Flack, who wore a pair of signature shorts.
Before the wedding, Dermot said in an interview that he couldn't wait to finally make Dee his Mrs O'Leary.
He said: 'Wedding plans are going well and engaged life is brilliant. We lived together for seven years and been going out for 10 years so we are settled down already.
'Thereβs no sort of raucous bachelor days to put behind me when we get married. I love my girlfriend and the woman that will be my wife and we are really relaxed with each other.'
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