Alexa PenaVega Shows Off Tiny Baby Bump in a Bikini -- See the Pic!

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The couple is already giving their baby a taste of the island life!

Alexa PenaVega is already showing off that baby bump -- and can it be any cuter?

The Machete Kills star posted an adorable photo to Instagram on Friday, showing off her tiny baby bump in a cute bikini while on vacation with husband Carlos.

WATCH: Alexa PenaVega is Pregnant, Expecting First Child With Husband Carlos

"And so the journey begins...," PenaVega captioned the sweet shot, adding the hashtag #IslandBaby. "Already taking this little nugget to all our favorite spots! #GodIsGood"

PenaVega's hubby posted the same image to his own Instagram, but added the caption, "I pray you love the ocean as much as we do :)"

The couple appears to be having a great time celebrating their baby news on vacation -- and are posting all the pics to prove it.

There was this amazing rap video Carlos posted to his Instagram on Thursday.

And this cute snap of the couple oceanside. "When you like a picture of yourself but Los wasn't ready :) hehhehe love you babe!" the 27-year-old actress posted.

And of course this absolutely adorable shot of the couple before they announced their baby news.

WATCH: Carlos PenaVega Reveals He and Wife Alexa are Trying For a Baby

We can't get enough of this cute couple! Keep 'em coming, guys!

While the PenaVegas announced they were expecting their first child on Thursday, another celeb couple, Ashton Kutcher and Mila Kunis, announced they were expecting baby No. 2 the day before. See more in the video below!