Showbiz
The singer is said to be "really sore" almost a week after she and husband Jordan Bratman welcomed new arrival Max Liron Bratman.
The 27-year-old was given a Cesarean section at the Cedars-Sinai Medical Centre in LA.
A source told E! News: "It [childbirth] was more painful than she thought."
Aguilera is believed to have rejected a £500,000 offer to sell the first official photos of her new baby to OK! magazine.
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