OK! Exclusive: It's a Boy for Xtina!

It's a boy for ! Or at least it will be when the soulful singer gives birth later this year.

OK! has learned that Xtina's closest pals are all shopping for some pretty gender-specific gifts. "They're all boy-themed, all blue," a source reveals to OK!.

While Christina and hubby have yet to confirm that her growing belly bump is actually a baby, , executive producer of this year's Emmy telecast, let it slip to OK! last week when he said, "We're very sensitive to her pregnancy."

A few days earlier, called Christina "the most beautiful pregnant woman in the world" at a pre-VMA party hosted by the mom-to-be.