Jennifer Aniston might not be pregnant, but it looks as though she will have to be thinking blue for the next several months. The actress's half-brother A.J. Aniston is reportedly expecting a baby boy with his girlfriend, Adriane Hallek.

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According to Radar Online on Monday, Hallek's grandmother Amanda Derycke spilled the beans about the baby to the site.

She said, "It's a big baby. They're having a baby boy."

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What's more, Derycke also says that she's unsure if Aniston has reached out to her half-brother about the baby news or whether or not the Hollywood star would be embracing the child in her own life.

She said, "I don't know how she feels about it. They're trying not to pump this up a lot. I think Jennifer might meet him in the future. I'm sure he's told her. He's very excited."

The great-grandmother to be added, "Adriane still has morning sickness. She can't eat certain foods. So she's having a little trouble. Aside from that, she's doing fine."

Meanwhile, a rep for Aniston has shot down her own pregnancy rumors.

According to Page Six, Aniston's publicist Stephen Huvane calls the tabloid fodder and constant pregnancy speculation "absurd."

Asked if Aniston is indeed pregnant, he responded with, "We don't have an answer to this question. It's beyond absurd and proves the point that no one should believe what's written in the tabloids and gossip columns and blogs."

Tags: Jennifer Aniston