Bethenny Frankel showcases her flat abs and cleavage in navy bikini

Bethenny Frankel, 51, is the ultimate bikini babe as she showcases her flat abs and cleavage in navy swimsuit during beach day at the Hamptons

She has been busy promoting her new book.

But Bethenny Frankel enjoyed some well-deserved time off to unwind at the beach on Saturday.

The Real Housewives vet, 51, was seen flaunting her flat abs and cleavage in a navy bikini as she hit the beach at the Hamptons.

Beach babe! Bethenny Frankel enjoyed some well-deserved time off to unwind at the beach at the Hamptons on Saturday

Bethenny looked incredible strolling down the shore in her itty bitty swimsuit.

She shielded herself from the sunshine with a wide-brim straw hat.

The Bravolebrity jazzed up the beachy look a delicate gold nameplate necklace.

She took a call whilst carrying her jacket and shades in her free hand.

Making a splash! Frankel looked incredible strolling down the shore in her itty bitty swimsuit

Making a splash! Frankel looked incredible strolling down the shore in her itty bitty swimsuit

Bethenny has been hard at work promoting her newly released book, Business is Personal: The Truth About What it Takes to Be Successful While Staying True to Yourself.

In the how-to book, the busy entrepreneur shares strategies that helped her build the successful Skinnygirl and Bethenny brands.

The New York City native began her career in Los Angeles, where she worked as Paris Hilton’s nanny for a short period before being hired as an assistant to film producers Jerry and Linda Bruckheimer.

On the line! The 51-year-old took a call while juggling her various belongings

On the line! The 51-year-old took a call while juggling her various belongings 

She also worked as a production assistant on the comedy Saved By The Bell.

She started BethennyBakes in 2003 in New York and finished in second place on The Apprentice: Martha Stewart in 2005. She was catapulted further into the public eye as a cast member on The Real Housewives of New York City.

Bethenny has 12-year-old daughter Bryn with ex-husband Jason Hoppy, 51.

She means business! Bethenny has been hard at work promoting her newly released book, Business is Personal: The Truth About What it Takes to Be Successful While Staying True to Yourself

She means business! Bethenny has been hard at work promoting her newly released book, Business is Personal: The Truth About What it Takes to Be Successful While Staying True to Yourself