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."

Megan Fox and Brian Austin Green visited a Samba School in San Paulo on Feb 9, 2013.
Credit: GADE/AKM-GSI

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." (See more photos of baby Noah Shannon via PopSugar!)

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."