The gorgeous brunette displayed her incredible curves in a plunging green number to soak up the scorching sun.
Taking a stroll along the sand with her music mogul partner, the 40-year-old appeared to be at ease in the tropical destination.
And she certainly couldn’t be missed in the perilously low-cut one-piece which gave an eyeful of her ample cleavage.
The halter neck swimsuit clung to her curves, exposing more than she would have bargained for as she flashed her nipples.
The swimwear also boasted a high-rise cut which allowed the stunner to show off her lean, slender legs.
Finishing off her glam beach look, Lauren styled her dark locks into a loose ponytail and added a pair of large sunglasses.
Meanwhile, Simon showed off his trim and tanned figure in a pair of blue swim shorts for the sun-drenched day out.
The X Factor judge also protected his eyes from the Caribbean rays with a pair of mirrored Aviator shades.
The couple – who have been together for fours years – and their three-year-old son Eric, visit the exotic location for the festive season every year.
Their trip comes after a hectic couple of months for the Syco owner who suffered a horrific fall down the stairs due to low blood pressure in October.