Uploading the snap to her two million followers, Scarlett revealed that she was holidaying in Valencia, Spain.
Wearing a leopard-print one-piece, Scarlett looked sensational and told followers she wasn't letting "insecurities" get in the way of her having a good time.
The star said: "Don’t let your insecurities stop you from having fun!!"
She also revealed she was "pool party ready", using the words love, confidence and happiness as hashtags to explain how she was feeling.
It's important to have self love and honestly when I look in the mirror wearing this I love what I see.
Scarlett is happily loved-up with her policeman boyfriend Scott Dobinson.
The star's followers were quick to comment on the post, gushing over how sensational the former reality TV star looked.
One said: "You look amazing."
Another added: "Real women have curves. Looking good."
Others hailed her "body confidence" and said: "Insecurities? You’re rocking it!"
Another fan gushed: "You look absolutely gorgeous, but even better than that you're a kind and compassionate person... basically, you've got it all going on!"
Scarlett recently hit back at trolls as she stressed the importance of "self love". She admitted: "I think it's important to have self love and honestly when I look in the mirror wearing this I love what I see."
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