Teresa shared a sexy snap wearing a teeny white bikini and white straw hat.
She posed in a gorgeous infinity pool overlooking the ocean.
The bride-to-be captioned the snap: "...peace, love & bikinis…
The trip has been a memorable one, last as Luis, 46, popped the question to Teresa in a proposal that featured fireworks and a massive "marry me" sign.
Since then her ex-husband Joe Giudice commented the couple "moved a bit quick."
The video captured the lovebirds on the beach with candles and rose petals surrounding them.
Several sparklers were set up behind them along with a sign saying "Marry Me" illuminating in the background.
A violinist played soft music as fireworks lit up the night's sky.
The businessman got down on one knee as he slipped the ring on her finger.
The NJ native then gave Luis a kiss before collapsing into his arms.
The TV star also shared several photos from the evening, including one with her and Luis dancing in front of the "Marry Me" sign with candles strewn along the sand as the violinist continued to play.
Another snap showed the newly engaged couple locking lips as Teresa showed off her sparkly diamond ring.
The pair sat on the patio stairs as the Bravo star leaned in for a kiss from her fiance, conveniently placing her hand on his knee while flashing the diamond.
In another pic, the happy couple posed for a photo while sitting on the sand next to the "Marry Me" sign, giving Teresa another opportunity to show off her oval-shaped ring.
The duo also took a shot of themselves huddled together in front of their resort, both donning fully white attire.
Teresa Giudice captioned the post: "My Fiancé you are such a beautiful person inside and out. I love everything about you especially your heart and the way you treat me and my daughters.
"You are amazing in so many ways one thing I admire about you is what a great Dad you are. I am so lucky to have found you thank you for coming into my life.
"I know my parents sent you to me from that day I prayed to them on Bay Blvd. I adore you endlessly.
"You are the love of my life, my soulmate and my everything. I Love you.
Teresa and Luis have been together for just over a year and celebrated their first anniversary in July.
According to an insider, the mom-of-four was "completely surprised" by the proposal, which all took place at the Amanzoe Resort in Porto Heli.
A source described the romantic moment as "absolutely exquisite."
The insider added: "Teresa was completely surprised."
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