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Rumer Willis wows in cheeky bikini photo for celebratory occasion

Demi Moore's daughter turned 33 in August

Jenni McKnight

Rumer Willis had fans doing a double take after she shared her cheekiest bikini photo yet!

The daughter of Demi Moore and Bruce Willis continued her birthday celebrations on Monday by posting a gorgeous photo of herself posing by a lake.

MORE: Rumer Willis shows off major change to her body in sunbathing picture

In the snap, the 33-year-old has her back to the camera to highlight her derriere in a thong bikini while standing on her toes with her hands in the air.

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WATCH: Rumer Willis stuns in skintight catsuit at sister Scout's birthday

Captioning the saucy photo, Rumer wrote: "How's it going… So far 33 is pretty magical."

Needless to say, her followers were blown away by her head-turning appearance, with one commenting: "OMG!" followed by a heart-eyes emoji. A second said: "You are the most magical!!! HBD earth angel."

A third added: "Love that birthday suit," and a fourth said: "That body! Absolutely gorgeous."

READ: Rumer Willis heartbroken after tragic death of beloved friend

MORE: Demi Moore twins with daughter Rumer in red hot bikini for beach photo

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Rumer stunned fans with her cheeky photo

Last month, Rumer used her insane bikini body to hit back at "haters" who criticised her appearance after she divided fans in a lime green two-piece. While many praised her beautiful photo, others weren't as kind, leaving negative comments.

Sharing a phenomenal photo of her lying with her chest on the deck of a boat while wearing a skimpy yellow and orange bikini, Rumer said: "For the haters….with love and gratitude kindly [lips emoji] my [peach emoji], I’ll keep smiling regardless."

Fans were quick to throw their support behind Rumer, with one writing: "Keep shining baby girl." A second said: "You are stunning!" A third added: "What's to hate? Beautiful."

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

A post shared by Rumer Willis (@rumerwillis)

Rumer marked her birthday with some adorable family throwbacks

Meanwhile, Rumer marked her 33rd birthday on Monday by taking a trip down memory lane and sharing some adorable throwback photos of her as a youngster with her famous parents.

One image showed Demi holding a baby Rumer with a perplexed expression on her face, while another showed dad Bruce sporting a goatee beard while cradling a sleeping baby Rumer to his chest. "How it started…..8.16.88," Rumer wrote in the caption.

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