Kerry Katona said she cries every day when she looks in the mirror following a breast reduction operation last year.
The former Atomic Kitten singer, from Warrington, said she feels like her "boobs have grown bigger" despite having the surgery.
She added she is going for a check-up with doctors and is "still feeling really uncomfortable in my own skin at the moment", reports the Mirror.
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Writing in her column for New magazine, Kerry said: “I’m going for a check-up to see if everything is as it should be. I actually feel like my boobs have grown bigger!
“I’m still feeling really uncomfortable in my own skin at the moment. No matter how healthy I’m being and how hard I’m training, I just can’t seem to lose weight.”
She added: “It doesn’t even feel like I’m in my own body. I look in the mirror and cry every day.”
Mum-of-five Kerry showed off her new boobs last September after undergoing a four-hour operation to have them reduced.
Despite saying she “loved having big boobs”, the singer and reality star decided to have surgery after suffering agonising back pain from her previous implants.
Speaking on Channel 4 ’s Steph’s Packed Lunch last year, she said: “My breasts were so big and heavy. I looked out of proportion.
“I still suffer with a bad back, but it’s nowhere near what it was.”
Adding she wished she had never had breast implants in the first place, Kerry said: “I do regret having the original boob job.
“I’ve been in the industry so long – you do think if you don’t look right, you’re not going to get work.
“But going smaller now is about me getting what I want. It's not about other people anymore.
“As much as I love having bigger boobs, I’m 41 now and my body is starting to feel the strain.”
She added: “I’ve got nothing to rest my arms on."
Last year Kerry revealed she had found a lump in her armpit and noticed her right breast was also swollen.
She said Girls Aloud star Sarah Harding ’s cancer diagnosis inspired her to get her own breasts checked. Thankfully Kerry was fine.
Sarah died in September at the age of just 39 a year after being diagnosed with breast cancer.
Kerry said: “I had a lump in my armpit and my right breast was swollen.
“Because of what happened to Sarah I thought, ‘oh my goodness, I better get this checked.’
“I think a lot of people did the same. It’s just such a shame it was too late for Sarah.”
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