Bikini babe! Billy Joel's ex-wife Katie Lee hits the beach in Miami in tiny two-piece with mystery male companion

Billy Joel's third ex-wife Katie Lee showed off her bikini body in Miami in Friday.

The 35-year-old, who divorced the Piano Man in 2010 after six years of marriage, was spotted frolicking in the ocean in a tiny two-piece.

She was also accompanied by a mystery male companion who joined her for a spot of sunbathing.

Making a splash: Katie Lee frolicked in the ocean in Miami on Friday in a bikini

Making a splash: Katie Lee frolicked in the ocean in Miami on Friday in a bikini

Katie's patterned bikini featured ties at the hips and revealed plenty of her toned flesh.

Her long dark hair was loose under a baseball cap.

She also rocked a pair of sunglasses. 

Revealing swimwear: The 35-year-old, who was married to Billy Joel from 2004 to 2010, hit the warm waters in the tiny two-piece

Revealing swimwear: The 35-year-old, who was married to Billy Joel from 2004 to 2010, hit the warm waters in the tiny two-piece

Toned: She showed off her pert derriere and lean figure
Toned: She showed off her pert derriere and lean figure

Toned: She showed off her pert derriere and lean figure 

Beachbabe: She left her long dark hair loose under a baseball cap

Beachbabe: She left her long dark hair loose under a baseball cap

 Katie was 23 when she married Joel, who at the time was 55.

They separated in June 2009.

While married to the singer, she was able to launch a career as a cookbook author and a lifestyle and food TV personality.

Had company: Katie, a cookbook author and TV personality, was accompanied by a mystery male companion wearing black and white board shorts

Had company: Katie, a cookbook author and TV personality, was accompanied by a mystery male companion wearing black and white board shorts

Chatted away: Katie carried a beverage and wrapped a blue and white striped towel around her waist as she strolled with the hunk

Chatted away: Katie carried a beverage and wrapped a blue and white striped towel around her waist as she strolled with the hunk

Relaxed: Her friend did a spot of reading as he reclined on a sun lounger

Relaxed: Her friend did a spot of reading as he reclined on a sun lounger

Down time: The two seemed perfectly at ease in each other's company

Down time: The two seemed perfectly at ease in each other's company

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