Pop princess Britney Spears is all set to make a comeback after her sabbatical and once again be in the limelight by posing topless for a new fashion magazine.

According to ratethemusic.com the 'Toxic' singer will appear topless, wearing just a just a necklace gift from husband Kevin Federline on the upcoming cover of US fashion magazine Allure.

Meanwhile the singer also revealed that her six -month marriage has been quite a challenge.

"We hit a little bit of reality, hardcore, after the first three weeks. But we handled it fine, and now things are starting to go really smooth," the singer said.

"Before we got married we were on tour, and we were just like kids, ordering room service, saying, 'Let's go out tonight. Then, all of a sudden, you have this home, you have the kids (KALEB and KORI), you have to get the diapers, get the dog to the vet. It's this reality," she added.