Lizzie Cundy caught the eye in a semi-sheer white linen dress as she enjoyed a boat trip along the River Thames in Windsor on Thursday.
The British socialite, 56, looked nothing short of sensational as she flaunted her slender figure in the stylish ensemble from Bond Street Store.com.
The chic dress boasted a V-neckline, a frilly edge at the bust, several cut-out panels, and a semi-sheer skirt.
She added inches to her frame with a pair of nude strappy high heels and toted her essentials around in a cream-quilted handbag.
To complete the look, Lizzie opted for a pair of rose-tinted shades and further accessorised with a bangle.
She gracefully hopped on to a bright motorboat and proceeded to take selfies before speeding off down the River Thames.
Lizzie is fresh from a luxury holiday to Mykonos with Britain's Got Talent's newest judge Bruno Tonioli, 68.
The pair posted some sizzling snaps, the most memorable of which saw a shirtless Bruno don some tiny neon trunks.
Lizzie declared that the Italian dancer was a Greek God as he posed confidently in the mouth of a cave.
In another snap, Lizzie showed off her flawless legs which appeared almost too long to belong to her 5ft5.5in frame.
A few days before, Lizzie showed off her toned figure in a plunging red swimsuit as she fought 'the football blues'.
Lizzie and Bruno spent some time together in May when she watched BGT's first live semi-final of the series.
Series 17 ended with Sydney Christmas winning the £250,000 and a coveted slot at the Royal Variety performance.
Lizzie and her ex-husband Jason Cundy, 54, share two children together, both sons: Josh, 29, and James, 24.
They married in 1994, separated in 2010, and divorced in 2012.
Jason split from Lizzie after his affair with mezzo-soprano opera singer Hanna Pedley was discovered.
In 2015, the pair married, and their son was born shortly after using sperm Jason had frozen.
Jason battled testicular cancer in 1997 and had to have a testicle removed. It returned in 2003, but he has since gone into remission.
The socialite is signed to 50-year-old modelling agency Nevs Models and previously shared photos from an event she enjoyed with them.
She wrote in the caption: 'The best model agency…. And been with a few …@nevsmodels @cavpaul #models ❤️'
Lizzie is a frequent guest on Jeremy Vine on Channel 5, GB news, and several radio stations.