Chris Hemsworth and his wife Elsa Pataky dress up in tight spandex as they attend 80s party

Chris Hemsworth and his wife Elsa Pataky dress up in tight spandex and neon accessories as they lead the A-list arrivals to star-studded 80s party in Sydney

Chris Hemsworth and his wife Elsa Pataky showed off their equally fit figures as they attended a star-studded 80s party in Sydney on Saturday.

The Thor star, 37, flaunted his bulging biceps as he posed with his wife after arriving to their friend’s birthday event.

The actor wore black track pants and a white singlet as he wrapped his arm around Elsa’s tiny waist.

Party time! Chris Hemsworth and his wife Elsa Pataky (pictured) dressed up in tight spandex and neon accessories as they lead the A-list arrivals at a star-studded 80s party in Sydney

Chris completed the costume with sunglasses as he posed for the camera.

Meanwhile, Elsa showed off her incredible physique in tight pink spandex and white crop top.

The Spanish-born actress completed the outfit with pink gloves, matching coloured leg warmers and sneakers.

Elsa, 44, tied her locks in a high ponytail and opted for a neutral palette of makeup.

Strike a pose! The genetically-blessed pair, who share three children, were also joined by Chris' brother Liam

Strike a pose! The genetically-blessed pair, who share three children, were also joined by Chris’ brother Liam 

Star-studded event: After arriving to the event, Chris (left) also posed with Idris Elba (centre) and Matt Damon (right)

Star-studded event: After arriving to the event, Chris (left) also posed with Idris Elba (centre) and Matt Damon (right)

Elsa married her husband Chris 10 years ago, and the power couple reside with their children in a $20million mansion in Byron Bay, on the New South Wales north coast.

The genetically-blessed pair, who share three children, were joined by Chris’ brother Liam.

The 31-year-old put on a colourful display in white shorts and a patterned buttoned shirt.

Liam wore white sunglasses, a gold watch and white sneakers as he posed alongside Chris and Elsa.

Colourful display! Chris' trainer Luke Zocchi (left) also made an appearance at the event

Colourful display! Chris’ trainer Luke Zocchi (left) also made an appearance at the event

Making a statement! Meanwhile, Kate Ritchie (right) wore a black printed T-shirt and bright pink lip stick as she posed alongside a friend

Making a statement! Meanwhile, Kate Ritchie (right) wore a black printed T-shirt and bright pink lip stick as she posed alongside a friend

They were also joined by Matt Damon, who wore Adidas track pants and a matching jacket, Idris Elba and Chris’ trainer Luke Zocchi.

Meanwhile, actress Kate Ritchie also attended the Sydney event.

The former Home and Away star wore a black printed T-shirt and bright pink lip stick as she posed alongside a friend.

Kate was joined by Lauren Philips who channeled the 80s in denim shorts, a bright yellow T-shirt and a bum bag. 

80s fashion: Kate was joined by Lauren Philips (right) who channeled the 80s in denim shorts, a bright yellow T-shirt and a bum bag

80s fashion: Kate was joined by Lauren Philips (right) who channeled the 80s in denim shorts, a bright yellow T-shirt and a bum bag