Katona's daughters Molly, 12, Lily-Sue, 11, and Heidi, seven were present at the nuptials last night, reported Daily Star.
The 34-year-old singer's son Max, six, walked his mother down the aisle, while Katona and former rugby player's child Dylan-Jorge was also there in her pram.
This was Katona's third wedding after her marriage to Brian McFadden and Mark Croft.
The couple and their celebrity friends, including Spice Girl Mel B's sister Danielle Brown, also attended the wedding.
Katona also revealed she is trying for baby number six with husband Kay.