Gwyneth Paltrow showcases her enviable bikini body as she cosies up to fiancé ...

She's been highlighting her sensational figure in an array of swimwear during her envy-inducing Italian breakaway.

And Gwyneth Paltrow, 45, was back to her old style tricks as she slipped into a vibrant orange bikini which highlighted her toned frame as she packed on the PDA with fiancé Brad Falchuk, 47, onboard their yacht on Tuesday.

The GOOP founder looked incredible in her vibrant two-piece as she enjoyed an idyllic sunbathing session on the boat's top deck with her beau.

Sun-soaked: Gwyneth Paltrow, 45, was back to her old style tricks as she slipped into a vibrant orange bikini which highlighted her toned frame as she packed on the PDA with fiancé Brad Falchuk, 47, onboard their yacht on Tuesday

Sun-soaked: Gwyneth Paltrow, 45, was back to her old style tricks as she slipped into a vibrant orange bikini which highlighted her toned frame as she packed on the PDA with fiancé Brad Falchuk, 47, onboard their yacht on Tuesday

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The blonde bombshell accentuated her svelte figure in her triangle halterneck top while her matching tiny bikini bottoms highlighted her pert posterior and slender pins to perfection.

Cooling down between her sunbathing sessions, the mother-of-two was pictured quenching her thirst with a bottle of water while her blonde tresses cascaded down her back in tousled natural curl.

Focusing on boasting her golden tan, the Oscar winner opted to go make-up free for their afternoon at sea and kept her tresses in place with her aviator-style shades on top of her head.

Complementing her bikini display, Gwyneth's TV producer other half Brad sported a pair of navy swim trunks and showcased his toned physique as he walked around the boat shirtless.

Vibrant: The GOOP founder looked incredible in her vibrant two-piece

Vibrant: The GOOP founder looked incredible in her vibrant two-piece

Vibrant: The GOOP founder looked incredible in her vibrant two-piece

Relaxed: After a quick dip, the Oscar winner relaxed on the stern of the yacht and applied suncream

Relaxed: After a quick dip, the Oscar winner relaxed on the stern of the yacht and applied suncream

Gwyneth is no stranger to having filmed 1999's The Talented Mr Ripley with Jude Law, Cate Blanchett and Matt Damon in the idyllic country.

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Their display comes after a source told New York Post's Page Six column that their nuptials will take place 'at the end of the summer, after Labor Day'.

But fans of Gwyneth - who has daughter Apple, 14, and son Moses, 12, with her former husband Chris Martin -

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