Emily Ratajkowski took to Instagram one day after her 31st birthday to share new bikini-clad photos.

The swimwear designer flaunted her trim figure, including her pert derriere, in a turquoise two-piece with a ribbon tie in the back.

The I Feel Pretty star topped her look with a brown and tan knitted bucket hat with white flowers embroidered into it.

New post: Emily Ratajkowski took to Instagram one day after her 31st birthday to share new bikini-clad photos

Bum’s out: Her silky-textured swimsuit boasted ruching along the cups of the top and matched her cheeky bottoms

The fashionable supermodel gave the images an artsy feel as she posted a couple of grainy shots that appeared to have been taken from a computer screen.

She wrote in the caption, ‘swipe for surprises,’ and included a video of her friends wearing pieces from her brand.

The mother-of-one’s snapshots were taken on a beach, where sea, sand, and palm tree created a scenic backdrop.

Her silky-textured swimsuit boasted ruching along the cups of the top and matched her cheeky bottoms.

Dreamy: The mother-of-one’s snapshots were taken on a beach, where sea, sand, and palm tree created a scenic backdrop

Windswept: Her deep brunette hair was loose, falling over her chest as the wind blew it to and fro

The My Body author showed off her impressive modeling chops as she struck multiple poses with her signature pout.

Her deep brunette hair was loose, falling over her chest as the wind blew it to and fro.

She displayed her enviable figure in the series of shots, baring her flat and toned abs in the various shots.

The post racked up over 132,000 likes from her zealous following of 29.3 million on the app.

Cheeky: The swimwear designer flaunted her trim figure in a turquoise two-piece with a ribbon tie in the back

Add-on: She topped her look with a brown and tan knitted bucket hat with white flowers embroidered into it

She geotagged her location as Hotel Esencia, where she’s been spending her birthday week with girlfriends.

The resort in Tulum, Mexico has been hosting the runway regular and her girl gang, where they’ve been partying it up pool and beachside.

Taking to the photo-sharing app’s Stories feature, Em shouted out the establishment as she wrote, ‘The most beautiful, lovely hotel. My second time here!

‘Could not be more grateful for this perfect birthday. Thank you for treating me and my ladies like queens.’