The star, who has been with Thom Evans for three years, has been soaking up the sun on her sensational getaway.
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Nicole looked absolutely stunning in a series of new pics posted onto her Instagram, showing off her killer figure and washboard stomach.
The former X Factor star looked gorgeous in a floral bikini and matching sarong.
The Pussycat Doll glammed up in the swimwear with straps made of gold chain-links.
It’s not the first time Nicole has given fans a glimpse inside her lavish hols.
Just days ago she showed off her stunning figure in more bikinis.
In one picture, Nicole flashed her bum in black thong bikini bottoms as the sun set over Hamilton Island.
In the second, she posed for the camera in the two-piece, featuring a hot pink and black bandeau bikini top.
Making sure their trip is one to remember, Nicole and Thom later partied with pals on board a yacht while drinking champagne, and cuddled up together as they spent time on the beach.
Thom was looking dashing in a pair of designer swimshorts, beaming as he cuddled up next to the singer and TV judge.
Never one to miss an opportunity to show off her flexibility, Nicole also posed on the edge of her swimming pool with a friend, pulling yoga poses with their legs up in the air as they overlooked the picturesque coast.
Nicole later showed off her diving skills as she jumped into the crystal clear water.
The Pussycat Dolls star has been filling up her Instagram feed with snippets of her adventures in Australia over the past week.
Two days ago, the duo shared their adventures exploring the Great Barrier Reef, with Nicole declaring it something she can “tick off her bucket list”.
The downtime is much needed after filming the latest series of The Masked Singer US in Los Angeles, where she works alongside Robin Thicke, Jenny McCarthy and The Hangover star Ken Jeong.
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