The former page 3 model wowed her 252,000 Instagram followers with her latest social media offering.
Flaunting her phenomenal curves, Rhian flashed her bare breast for the risqué photo and showed off her slender thighs.
However, the 31-year-old just about managed to protect her modesty by placing her arm across her chest.
She wore a pair of sexy netted suspenders and red underwear for the eye-popping snap and rested on a furry rug.
Her long blonde tresses were styled in loose waves and left to drape across her shoulders.
Rhian accentuated her natural beauty with lashings of mascara, thick eyeliner and a slick of nude lipstick.
The Valentine’s Day snap delighted her followers, with many leaving her charming compliments in the comment section.
One wrote: “Wow! Absolutely amazing and seductive woman. Love it so much.”
Another gushed: “You look so beautiful rhino,” while a second enthused: “Stunning as usual.”
A third posted: “What can I say another beautiful shoot,” while a fourth penned: “Wooow, so beautiful and sexy! Great shot babe.”
Last month, football star Cristiano Ronald was warned to stay away from the Rhian by her fiancé Oliver Mellor, 35, after he sent her a series of “weird messages”.
It is claimed the Portuguese striker urged the retired glamour model to ring him on Facebook Messenger last month and told her what hotel he was staying at.
In screenshots obtained by The Sun, Rhian declined the footballer’s request and told him she was meeting Oliver.
She replied: “I’m just about to pick my fella up from work and then we are going for drinks. I don’t think he’d approve of me talking to you at 11pm.”
A source told the publication that the messages the father-of-four sends to Rhian are “sometimes a bit weird”.
They said: “Ronaldo bombards Rhian with messages periodically. They’re friendly enough but sometimes turn a bit weird. She’s mentioned several times that she has a fiance, but he doesn’t seem to take notice.”