Kerry Katona hits the town with daughter Heidi to mark her 17th birthday

KERRY Katona gave cameras an eyeful during a night out at the theatre - flashing her bra after her top popped open. 

The 43-year-old mum-of-five took her daughter, Heidi out to London to celebrate her 17th birthday. 

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Joined by fiancé Ryan Mahoney, and Kerry’s second daughter, Lily-Sue, 21, Kerry and Heidi beamed as they left the Canary Wharf Plaza Hotel and went into Soho. 

They later posed outside Phantom Of The Opera at His Majesty’s Theatre. 

However, Kerry - who has been showing off her slimmed down figure after having a body transformation - caused a bit of a moment when her waistcoat-inspired top popped open, exposing a lace bra underneath. 

Seemingly none-the-wiser, Kerry continued to pose for the cameras with her family as she strolled through Soho. 

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Her chic cream outfit was completed by matching trousers and stiletto heels with a pop of colour. 

She later covered up from the evening chill in a cream coat and Burberry scarf. 

Lily Sue and Heidi both wore all-black ensembles, with Ryan keeping it slightly more casual with grey trousers, a black jumper and white trainers. 

Heidi - who celebrates her birthday today - is Kerry’s third child, and first with her second husband, Mark Croft. 

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Kerry and Mark also had a son, Max, before they split. 

Completing the family is Molly, 21, and Lilly-Sue, from her marriage to Brian McFadden, and eight-year-old DJ from her relationship with George Kay. 

Despite wanting to expand the family further, Kerry has announced she’s now ruling out a sixth baby with Ryan. 

Kerry told New magazine this week: "I don't want to deprive him - in fact, I've given him a pass and said 'if this is something you want to pursue leave me now!'

"I never want someone to not have that feeling of having their own child."

"But I feel like I should be enough for a man,” she added. 

"Maybe many moons ago I'd have done it for a man, but not any more.

"Me and my kids should be enough for Ryan, and actually I know we are."

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