She complained earlier this week about how tough pregnancy can be.
But Hilary Duff was making it look a breeze, as she kicked back to relax during her vacation with son Luca.
The 30-year-old actress positively glowed as she showcased her blooming baby belly in a bikini on Saturday.
Blooming: Hilary Duff was making pregnancy look a breeze, as she kicked back to relax on vacay on Saturday
The star reclined on a sun lounger covered by a white towel in her black two-piece.
Her highlighted locks were pulled into a ponytail and she covered her eyes with circular-framed sunnies, looking every inch the yummy mummy.
The pregnant beauty - who is expecting her second child - a girl - had a book in one hand and her 6-year-old son Luca to her side.
Joker: She played around with Snapchat filters
Duff view: She braved some rather unflattering settings on her filters
She shares Luca, who was on his phone, with retired hockey player Mike Comrie to whom she was married from August 2010 until February 2016.
The Lizzie McGuire actress announced she was expecting with boyfriend Matthew Koma in June.
The So Yesterday singer told her Instagram followers earlier this week that her pregnancy has been 'hard as hell.'
'The boobs are big, the belly is big, the body is big. Man.. pregnancy is hard,' she wrote a mere week ago.
Baby love: Duff and Koma, who have been dating on and off for over a year, made their pregnancy announcement on June 8
'Giving love to all mamas who make it look effortless... this journey is hard as hell and also incredibly special.'
After a host of minor roles in the late '90s, Duff became a household name upon landing the leading role in Disney Channel's Lizzie McGuire in 2001.
Leading off the success of the television show with books, dolls and video games, The Lizzie McGuire movie made it to the silver screen in 2003, the same year she worked alongside Frankie Muniz in Agent Cody Banks and also released her second studio album.
Her incredible career also includes philanthropy work, a trilogy of successful novels and design work which includes a collaborative eyewear line.
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