Kerry Katona has unveiled her trimmed down figure just four weeks after giving birth to her son Max.

The troubled star, who is 5ft 3in, showed off her leaner physique during a afternoon outing with husband Mark Croft over the weekend after vowing to regain her her eight and a half stone figure.

The 27-year-old has already dropped 3 stone by eating Special K for breakfast and lunch, and has embarked on a fitness regime in the gym at her Cheshire home.

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Body after baby: Kerry Katona shows off her slimmer figure while out near her home in Chesire over the weekend; the mother of four reached a size 16 during her fourth pregnancy

A source told Closer magazine: "She lost 2st in water retention in the first few days after having baby Max. She's since shed almost another stone and is now below 10st.

"She still has the odd beef curry and glass of wine, but she's trying hard to eat more healthily. She's even eating grilled fish and vegetables now, which is much better than her old diet."

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Slimming down: Kerry has vowed to get back down to eight and a half stone

The former Atomic Kitten singer is still planning to have her H cup breasts lifted.

The source added: "It's been a tough few months for Kerry, but things are finally looking up."

Kerry recently landed a £250,000 windfall after frozen food giant Iceland renewed her advertising contract, quashing rumours the company were planning to dump her after her troubled year.