United Kingdom, July 15 -- Kerry Katona was "so scared" about her boob job.

The former Atomic Kitten singer recently decided to undergo breast enlargement surgery after seeing her boobs shrink after losing almost 30lbs, and she admitted she was "nervous" about the procedure.

Speaking before the operation, she told new! magazine: "I've always been nervous before having surgery - I'm not good in the lead-up at all.

"But I am so scared for this one. I think, with age, I've become more nervous. There's more to lose these days.

"I've got kids at home to think about, so there's more on the line if anything went wrong."

Kerry - who has five children from her three previous marriages - went from a 34B cup to a 34DD, and a source told the mag...