Yep, sure looks like a movie star baby! During a trip to Rio de Janeiro, Brazil, Brian Austin Green offered up the first glimpse of Noah Shannon, his 4-month-old baby boy with wife Megan Fox. Seen from the balcony of their hotel, Green, 39, held little Noah -- who sports puffy cheeks and pouty lips like his world-famous mom.

PHOTOS: Brian and Megan's romance

In another photo from the family's Brazilian trip, Fox, 26, looked slim and absolutely radiant in a short floral spring dress and red designer heels alongside her husband of two and a half years as they visited a Samba School in Sao Paulo. The happy couple sat and watched locals do a demonstration of "capoeira dance."

PHOTOS: Megan's hot body

This Is 40 actress Fox has been frank with the media about how transformative first-time motherhood has been. "The whole thing has been overwhelming because I didn't realize you could love something so much, and I know people always say that but I love him so much it hurts," Fox said in December, "and it's an interesting feeling to have because I never felt that before."

PHOTOS: Megan's post-baby body

"He's getting to that place where he's smiling and he's almost ready to laugh, and I can't wait for that baby laugh that almost makes you feel like you can fly, like your heart's going to explode."

This article originally appeared on Megan Fox, Brian Austin Green's Baby Son Noah Makes His Debut: Picture