The Iron Man star, who is rumoured to be tying the knot with fiancé Brad Falchuk this weekend, was joined by a gang of her closest girl friends as she relaxed with cocktails in Mexico on her lavish hen getaway.
Sharing a collection of sun-filled photos on her Instagram page, the bride-to-be looked carefree and sun-kissed in the Costa Palmas, which she called 'heaven' in her post.
Appearing alongside Gwyn were some of her closest pals - including designer Stella McCartney - who reportedly stayed in the luxurious Four Seasons Resort in Los Cabos.
Also seen at the hen celebrations was fellow actress Cameron Diaz, who has joined pal Gwyneth on her 'health summit' shows in connection with her successful lifestyle website GOOP.
It comes as friend and designer Giancarlo Giammetti wished the couple the best for the weekend, sparking rumours that they are to tie the knot imminently.
Sharing a photo of the bride and groom to be on Instagram the Honorary President and co-founder of Valentino said "These two beauties inside and out get engaged tomorrow! All my best wishes my dear Gwynethpaltrow and Bradfalchuk love you and miss not to be there with you!"
The couple announced their engagement with a front cover in Gwyneth's GOOP magazine back in January.
"We feel incredibly lucky to have come together at this juncture in our lives when our collective successes and failures can serve as building blocks for a healthy and happy relationship," they shared in a joint statement.
And while the health and fitness enthusiast said she was looking forward to tying the knot, she was keen to 'dial it back' from a big traditional soiree.
"I think I'm (too) old to have a big wedding and a big ole white dress and all that," Gwyneth, who was previously married to Coldplay frontman Chris Martin, said.
"I gotta dial it back."
On her first marriage the star admitted it was unfortunate it didn't work out: "Obviously if I could have stayed married to the father of my kids, that's kind of the dream, but it didn’t work out for me."
"So you have to adapt and learn, learn your lessons and move on, and that’s what we're trying to do."