Olivia Wilde Flaunts Rock-Hard Abs While Vacationing In Hawaii!
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Now this is one hot mama!

Olivia Wilde showed off her fit physique while on vacation with beau Jason Sudeikis and their son Otis in Hawaii on Sunday.

Rocking a colorful two-piece bikini and going makeup-free, the actress looked like she was enjoying her tropical getaway as she went paddle boarding in the ocean.

Wilde -- who welcomed little Otis with Jason in May -- likewise shared a super funny photo of their baby boy enjoying his beachside view.

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"Naked Cowboy," Olivia captioned a photo of Otis rocking a cowboy hat .. and nothing else.

It definitely looks like they're making some great family memories together -- what do you think about Olivia's rock-hard beach bod? Sound off below and check out the gallery above to see more stars in bikinis!