Karrueche Tran vs. Rihanna 'Baby Bump' Beef? Drake's Ex 'Laughs-Off' Chris Brown Pregnancy HOAX, Focused On New Album Release [PHOTOS]

Rumors suggest that Karrueche Tran may be pregnant with boyfriend Chris Brown's baby. All because of this viral Instagram snapshot:

wackstar: "Congratulations I hope [it] is a boy."

Probably just a joke? But interestingly enough, the stunning 26-year-old model did NOT deny such "baby bump" hype via Instagram or Twitter. Actually, Tran and Breezy are currently embroiled in a hostile hip-hop beef, so she did recently tweet this:

@karrueche: "Unlike most of you... I could care less about the opinions of others... Drama doesn't amuse me - so yes..."

But that's not the point, here.

It's no secret that Tran would love to start a family someday soon, but is now the right time?

Well, if it is, Rihanna wishes her ex-beau all the best!

When the "Diamonds" songstress saw the "cute" couples pic, she simply laughed the rumors off. An alleged UrbanIslandz.com insider reveals:

"RiRi is fully focused on her career right now and want nothing but the best for Chris Brown and his girlfriend... She said the pic and she smiled and said wish them all the best."

Although unconfirmed, RiRi's upcoming album is supposedly entitled Lost Files. Check out the rumored tracklist here.

Meanwhile, Rihanna's spending ample time with an adorable tiny tot of her own... baby niece, Majesty!

Maybe she's preparing for mommy-hood, too?