The blonde beauty wore a revealing yellow and black, high-cut bikini that showed off her incredible figure.
Also on show was Lucy Fallon’s hugh skull tattoo on her thigh, that is often hidden in the photos she shares on social media.
However, a previous snap of herself with her boyfriend Tom Leech, where she is dressed as Suicide Squad character Harley Quinn, clearly shows the inking.
Sharing a snap of herself looking relaxed and showing off her pins on a swing, Lucy wrote: “ST LUCIA SPAM yeh baby x#toesaintloyal x”.
The Coronation Street actress’ tattoo features a skull and roses in black ink at the top of her right thigh.
She also gave fans a peek of it in a photo of herself wearing a white T-Shirt sat on the bed of their St Lucia hotel.
“Dad’s going to kill you haha!” – Jacqueline Jossa’s mum sees the funny side as she reveals her first ever tattoo inked on her hip [Instagram]
The stunning star was sat next to a sign welcoming the couple to their glamorous accommodation.
She and her boyfriend stayed at the Sandals Grande St Lucian resort.
Fans rushed to compliment the star on her holiday snaps and tattoo.
One wrote: “I legit love your tattoo ngl”.
Another said: “Omg never knew u had a tattoo”.
While a third wrote: “Gosh u have such an amazing tan”.