Making them green with envy! Bikini-clad Melissa Joan Hart soaks in some rays and has a few laughs as she celebrates turning the big 4-0

She may not be a teenage witch these days but she knows how look magical in a two piece. 

And Melissa Joan Hart sure knows how to celebrate a milestone birthday.

The 40-year-old was joined by 11 of her girlfriends for a tropical escape to the Breathless Punta Cana Resort & Spa in the Dominican Republic last week.

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Party queen: Melissa Joan Hart sure knows how to celebrate a milestone birthday, marking her 40th in in the Dominican Republic last week

While getting a rare chance to be child-free may have made it tempting to just use the holiday for some rest and relaxation, the Sabrina The Teenage Witch and her friends made the most of every moment - often with a glass of champagne in hand.

According to hotel insiders, the ladies did not stop from the time they got up and went for a morning swim till when they finished dancing late into the night.

The big birthday bash saw them go from beach to pool, pool to pool bar, pool to happy hour and happy hour to nightclub.

The big group even decided to have a private beach photo shoot to remember their time at the resort.

Quite the entourage: The 40-year-old was joined by 11 of her girlfriends for a tropical escape to the Breathless Punta Cana Resort & Spa

Cheers to that! While getting a rare chance to be child-free may have made it tempting to just use the holiday for some rest and relaxation, the Sabrina The Teenage Witch and her friends made the most of every moment - often with a glass of champagne in hand

And who could blame Melissa for wanting to do so as she looked fantastic in a myriad of different swimwear pieces.

The birthday girl especially sizzled in a green bandeau green two piece by Eres.

The blonde star paired the strapless top with a pair of retro cut bikini bottoms, which while fuller than most, were still sexy.

It is easy being green: The birthday girl especially sizzled in a green bandeau green two piece by Eres

Vintage vixen: The blonde star paired the strapless top with a pair of retro cut bikini bottoms, which while fuller than most, were still sexy

Soak up the sun in an Eres bikini like Melissa

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Melissa Joan Hart seemed to have the time of her life during her 40th birthday bash in the Dominican Republic. She showed off her enviable beach bod in a number of bikinis but this green one was our fave by far.

It's by Eres and with the U-shaped split in the front it was instantly recognizable. A number of celebrities including Nicole Richie and Jennifer Aniston love this style because of its flattering shape and structured silhouette.

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The actress also got an A in swim for making a cap sleeve one piece look sexy, with Melissa unzipping it slightly to show off her impressive cleavage. 

While she will have the photo shoot snaps to remind her of her getaway for years to come, the star also posted some fan pictures on social media so her fans could see what she is up.

She captioned a snap of herself and a pal she said: 'Still dreaming about the beaches and fun my girls and I had in #PuntaCana on our #BreathlessBdayBash last weekend! My girl @mackenziepretty spells her name FUN!'

Wowed in one: The actress also got an A in swim for making a cap sleeve one piece look sexy, with Melissa unzipping it slightly to show off her impressive cleavage

 Jump for joy: She captioned this snap, 'Still dreaming about the beaches and fun my girls and I had in #PuntaCana on our #BreathlessBdayBash last weekend! My girl @mackenziepretty spells her name FUN!'

The actress shared with the world her vacation via Breathless Resort's Instagram, taking over the social media account of the resort she was staying at as she lived it up at the destination.

Whether she was introducing fans to her friends, zip lining, or diving into the Hoyo Azul cenote, it's clear Melissa was having the time of her life.

Melissa's actual birthday was on April 18, and the star celebrated her 'fab 40' surrounded by her loved ones, including her husband Mark Wilkerson and their three sons, Mason, 10, Braydon, eight, and Tucker, three.

Soaking up some sun: Hart took in some rays on the beach with her girlfriends 

Care for a dip? The birthday girl raved about her swim through the world-famous Hoyo Azul cenote

The party doesn't stop: The actress raved about her joyous getaway as she waded in the pool with her pals 

Flying high: The 40-year-old showed off her adventurous side, zip-lining over the jungle 

The star captioned a snap of her with her family around her birthday cake, 'Last night was one of the most special of my life! Have so many loved ones together in one room to celebrate and dance was epic. 

'And my love serenaded me with some of my favorite tunes! Thanks to @nutrisystem for throwing the bash and #Carvel for the gorgeous cake! #BirthdayGirl.' 

Melissa shot to stardom with roles in Clarissa Explains It All and Sabrina, The Teenage Witch.

Hat's off to you! Hart posed with a pal as she announced she was 'taking over' Breathless Resort's Instagram account 

Ready for vacation: The ladies posed up together in a snap Joan said was 'the most behaved we will be all weekend' 

Let's dance: The star kicked up her heels as she went clubbing with her friends at the After Dark nightclub

So fly: The star excitedly chronicled her journey on over to the resort 

But more recently, she has starred in the new movie, God's Not Dead 2. 

The movie is about a high school teacher (Melissa), who finds herself in hot water after she responds to a student's question that involves Jesus Christ. 

The Christian-based drama, which follows the 2014 prequel, was released on April 1.

'What I love about the film is that it talks about whether or not Jesus was a historical man, and whether or not you can talk about him...in the facts, historically,' Melissa said during her interview on the Today Show. 

Aww: Melissa's actual birthday was on April 18, and the star celebrated her 'fab 40' surrounded by her loved ones, including her husband Mark Wilkerson and their three sons, Mason, Braydon, and Tucker

It's been a while: Melissa shot to stardom with roles in Clarissa Explains It All and Sabrina The Teenage Witch (pictured 2006)