Liam Hemsworth and girlfriend Gabriella Brooks know how to party.

The “Hunger Games” star, 30, and the model, 22, helped celebrate his brother Luke Hemsworth’s 40th birthday with a 1920s-themed soirée in Australia. “Thor” star Chris Hemsworth, 37, shared photos from the famous family’s fête, which was attended by the famous siblings’ parents, Craig and Leonie, Luke’s wife, Samantha, and Chris’ wife, Elsa Pataky. The group all dressed in “Peaky Blinders”-inspired costumes.

“Happy 40th birthday @hemsworthluke you big legend !!” Chris captioned the Instagram photos.

Liam and Brooks were first linked in December 2019 following Liam’s decision to file for divorce from Miley Cyrus. At the time, Brooks already had met Liam’s parents.

Brooks, who is signed to various modeling agencies, previously dated Matt Healy, the frontman for British pop-punk group The 1975.