Britney Spears’ first husband has revealed the secret behind the pop tart’s fabulous post-baby figure, a tummy tuck.
Jason Alexander says Britney went under the knife for stomach surgery following the birth of her second child, Jayden James, in September this year.
He says the singer wanted to get her sexy shape back after splitting from second husband Kevin Federline.
"Britney has to be seen to get out there now and be seen to be looking good and so on. She's doing all that. She's been locked down for two years," he said.
"She had a tummy tuck after the birth of her second child. She's working on all of that. She's worth hundreds of millions - of course she looks good."
"She has the money to have surgery and nutritionists and get her body back. And now she's focused, she is doing it. She's motivated - she just got rid of a man."
Childhood pals Spears and Alexander married in Las Vegas in 2004, but had the marriage annulled 55 hours later.


