While rumor has it that Jessica Biel's pregnant, it looks like her pop star husband decided to do something nice for her on Christmas Day.

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On Thursday, Justin Timberlake took to Instagram to post a photo of himself in a black shirt with a matching beanie as well as a striped apron. He's in the kitchen hanging over a beater and looks fairly content.

In the caption, Timberlake made it clear that he's the one in charge of the food that day while wishing his fans a happy holiday.

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"Just so ya'll know who was doing the baking today... Yeah, buddy! Your boy got it in! Merry Christmas and stuff..." he wrote.

On Sunday, Timberlake and Biel were spotted at an airport in Van Nuys, California where they were taking a private jet. This was a pretty big deal since the two are rarely spotted in public together despite being big names in the entertainment industry.

Biel is reportedly pregnant, but the photos of them at the airport posted on Just Jared didn't spark any more hints if it's true or not. In most shots, the two were far away and in other shots, the wing of the jet was blocking the actress's torso.

Timberlake's former Nsync partner Joey Fatone recently told In Touch Weekly that Biel is going to have a baby, but neither the actress nor her husband have confirmed this yet.

Tags: Justin Timberlake Jessica Biel