She's no stranger to donning a bikini thanks to her time on I'm A Celebrity... Get Me Out Of Here! in 2018.
And Emily Atack was seen slipping into a revealing cut-out swimsuit as she soaked up the sun while celebrating her sister Martha's hen do on Thursday.
The actress, 31, headed to a huge house in the country with her sibling and her pals and stunned in her black swimsuit that boasted a plunging neckline and a cut-away panel at the stomach.
Stunning: Make-up free Emily Atack wowed while slipping into a revealing cut-out swimsuit as she celebrated her sister Martha's hen do on Thursday
Making the most of the sunny weather, Emily was seen topping up her tan as she and the group enjoyed drinks in the garden.
She shared a series of sizzling snaps of her rocking her one-piece to her Instagram story, with the Inbetweeners star making sure to flaunt her enviable figure in the stylish design.
It came with knotted straps and a low-cut bust, as well as high-cut sides that highlighted Emily's bronzed pins.
Posing up a storm on the patio, Emily then shared another snap of her looking fresh faced, as she joked: 'My ginger eyebrows coming on a treat.'
Having a ball: The former Inbetweeners star was seen hitting the hot tub later on in the evening with her pals as the raucous hen weekend got well underway
Sizzling: Emily looked incredible in her stylish swimsuit that highlighted her enviable figure with its low-cut neckline and revealing cut out panel at the stomach
She ditched the make-up to showcase her natural beauty and wore her blonde locks up into half-up, half-down style.
Later in the evening, Emily was seen donning her swimwear once again as she hit the hot tube with her friends, following a glam dinner.
The girls looked like they were having a ball as they kicked back with drinks and sang along to music together late into the night.
Girls' night in: Emily was seen enjoying a sing song with her mates and a few drinks late into the evening as they kicked back in the hot tub
Smile: The beauty pulled her blonde hair up into a topknot for their late night hot tub session
Hens gone wild: The girls celebrated Emily's sister's upcoming wedding in style
Emily has been keeping fans updated on the group's raucous hen do by documenting everything
