Columbus Short: I'm Havin' A Baby AND Gettin' Hitched

Columbus Short has some BIG things about to happen in his life ... he's gonna be a husband AND a new dad.

Short tells TMZ in just 5 months, he and new fiance Aida Abramyan are expecting a boy. Columbus says he and Aida have been on and off for years but he just recently popped the question. We're told the two plan on getting married some time before January before the baby is born.

As for a name for their kid ... Short says they've got one picked out ... but they're gonna keep it under wraps.