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Colton Haynes stripped down to his birthday suit in a new picture he shared on Instagram. The 29-year-old actor went completely naked as he celebrated full moon during his tropical vacation with his fiance Jeff Leatham in Turks and Caicos.

In the snap, Colton faced sideways as he dipped into the water. Without any piece of cloth on, he exposed his bare bottom while covering his manhood with his hand. Another photo featured him going shirtless but still wearing his jeans, while posing under a tree. "Celebrating last nights full moon," he captioned it.

Colton and Jeff have been vacationing in Parrot Cay Resorts in Turks and Caicos since earlier this week. The "Teen Wolf" star has been posting photos from their holiday, showing him hitting the beach in swimming trunks. "Drink. Beach. Sleep. Repeat," he captioned one photo.

🐬 Drink. Beach. Sleep. Repeat. 🐬

Sebuah kiriman dibagikan oleh Colton Haynes (@coltonlhaynes) pada Agu 22, 2017 pada 2:27 PDT

Another featured him lying on a sun lounger while giving a sharp gaze at the camera. "We're never coming home. This is a goodbye letter to all my friends & family. Dear friends & family, Goodbye," he jokingly wrote under the image.

We're never coming home. This is a goodbye letter to all my friends & family. Dear friends & family, Goodbye.

Sebuah kiriman dibagikan oleh Colton Haynes (@coltonlhaynes) pada Agu 23, 2017 pada 1:32 PDT

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He also posted a photo him dipping into the ocean in the night.

💙🌙💙

Sebuah kiriman dibagikan oleh Colton Haynes (@coltonlhaynes) pada Agu 23, 2017 pada 5:33 PDT

Trolling fans with his vacation photos, he cheekily wrote in a caption of a photo featuring him and Jeff at the beach, "I would apologize for all the vacation photos but @jeffleatham & I had to sit & watch all of y'all go on vacation this summer so this is payback. More to come. VACATION B***HES!!! Lol I'm cruel."

I would apologize for all the vacation photos but @jeffleatham & I had to sit & watch all of y'all go on vacation this summer so this is payback. More to come. VACATION BITCHES!!! Lol I'm cruel 😍😍😍

Sebuah kiriman dibagikan oleh Colton Haynes (@coltonlhaynes) pada Agu 24, 2017 pada 10:24 PDT

Colton confirmed his relationship with Jeff in February this year. They got engaged when Jeff proposed to the actor at Las Ventanas al Paraiso in Cabo San Lucas, Mexico in March. Colton later proposed back to the Four Seasons Hotel floral designer in May.