Bethenny Frankel shows off her Skinnygirl figure as she strips to striped bikini bottoms for a charity paddleboarding session 

By Iona Kirby For Dailymail.com

Published: 11:34 EST, 1 August 2015 | Updated: 13:32 EST, 1 August 2015

She's made a name for herself as a reality star the founder of a range of low-calorie cocktails, and Bethenny Frankel certainly lived up to the Skinnygirl title on Saturday.

The 44-year-old showed off her slender frame at the Paddle For Pink event in The Hamptons, New York, which was also attended by Lena Dunham.

Bethenny was up bright and early for the charity paddleboarding session, and stripped off her denim shorts to reveal her sporty two-piece underneath.

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Hello Skinnygirl: Bethenny Frankel put her slender figure on show at the Paddle For Pink event in The Hamptons, New York on Saturday

Hello Skinnygirl: Bethenny Frankel put her slender figure on show at the Paddle For Pink event in The Hamptons, New York on Saturday

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All those skinnygirl drinks have paid off for Bethenny Frankel who is truly fit here at a charity paddleboarding event in the Hamptons. That, or they've paid for a trainer.

We're envious of those abs, yes, but we're also taken with her Vitamin A sail stripe bikini and rashguard cover-up. On the bottoms, we love the flattering direction of the stripes and the ruching up the back to accentuate Bethenny's derriere. As for the top, we love the string wraparound detail.

If you must have Bethenny's head-to-toe look, you'll have to hopscotch between online retailers a bit as we are approaching the end of summer. Buy the string bottoms at Shoptiques while the top is still available at Shopbop. As for the rashguard, Zappos still has it in stock.

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The Real Housewives Of New York City star wore a pair of navy, green and white striped bikini bottoms with a matching long-sleeved top, leaving her washboard stomach and slim legs on show.

Bethenny styled her brunette bob in beach-ready waves, and also sported a pair of on-trend aviator sunglasses.

Even though she was heading into the sea, the reality star still wanted to look her best and wore a full face of make-up, including shiny red lip gloss.

Cheeky: The 44-year-old displayed her enviable figure in striped bikini bottoms and a long-sleeved top

Cheeky: The 44-year-old displayed her enviable figure in striped bikini bottoms and a long-sleeved top

Stripping off: Bethenny was seen removing her teeny Daisy Dukes on the beach before the charity paddleboarding session

Stripping off: Bethenny was seen removing her teeny Daisy Dukes on the beach before the charity paddleboarding session

Bethenny is no stranger to paddleboarding, and confidently carried her board across the sand before hopping on top of it and paddling out into the water.

The mother-of-one has been enjoying a relaxing summer in The Hamptons, and posting several bikini clad photos.

But she has also been working, and on Friday evening did a reading from her dating advice book, I Suck At Relationships So You Don't Have To.

In fine form: The Real Housewives Of New York City star revealed her washboard stomach and slim legs
In fine form: The Real Housewives Of New York City star revealed her washboard stomach and slim legs

In fine form: The Real Housewives Of New York City star revealed her washboard stomach and slim legs

Always glamorous: Bethenny may have been going into the sea, but she still wore a full face of make-up

Always glamorous: Bethenny may have been going into the sea, but she still wore a full face of make-up

Off we go: The reality star is no stranger to paddleboarding, and confidently headed out into the water

Off we go: The reality star is no stranger to paddleboarding, and confidently headed out into the water

Meanwhile, Bethenny has insisted that she is still single after rumours she was romantically involved with Modern Family star Eric Stonestreet.

'Can we make a deal? If I get into a relationship, I will tell you about it,' she tweeted last week.

Bethenny has five-year-old daughter Bryn from her marriage to Jason Hoppy.

Let's get ready: Bethenny did some stretches on the shore before hopping aboard

Let's get ready: Bethenny did some stretches on the shore before hopping aboard

Especially for you: The former talk show host had her own custom-made Skinnygirl board

Especially for you: The former talk show host had her own custom-made Skinnygirl board

The couple separated in December 2012 after two and a half years of marriage, and Bethenny filed for divorce the following month.

The former couple hashed out a custody agreement in June of last year, but divorce proceedings are still ongoing.

Bethenny, who got her start on The Apprentice: Martha Stewart, previously married Peter Sussman in 1996, but they divorced a year later.

Summer loving: Bethenny, who last week denied she is dating Eric Stonestreet, has been enjoying a few weeks in The Hamptons

Summer loving: Bethenny, who last week denied she is dating Eric Stonestreet, has been enjoying a few weeks in The Hamptons

Famous faces: Also at the event were Girls creator Lena Dunham (L) and celebrity trainer Tracy Anderson

Famous faces: Also at the event were Girls creator Lena Dunham (L) and celebrity trainer Tracy Anderson

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