With the GIANTS' 2018 season coming to a close, the playing group let their hair down on Monday by dressing up for the traditional Mad Monday celebrations.

Take a look at the best costumes below and then vote for who you think was best dressed!

Wayne's World

Wayne Campbell (Josh Kelly) - not the GIANTS' General Manager of Football - and Garth Algar (Dylan Buckley) arrived ready to 'Party on'.

Average Joe's

Dodgeball legends the Average Joe's (from left, Adam Tomlinson, Phil Davis, Jacob Hopper, Adam Kennedy and Nick Haynes) were in attendance.

White Chicks

Kevin and Marcus Copeland aka Brittany and Tiffany aka Zac Williams and Jeremy Finlayson came armed and ready to party.

Happy Gilmore

Happy Gilmore (Jeremy Cameron), his caddy Otto (Ryan Griffen) and Mr. Larson (Dawson Simpson) made it despite Happy's 1974 Plymouth Duster hitting some traffic snags. Despite reports Shooter McGavin was nowhere in sight.

The Bachelor

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The @nickbadger and a bachelorette have arrived at the GIANTS’ Mad Monday. #bachelor

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Metallica

Legendary rock group Metallica (from left, Jake Stein, Tim Mohr, Brett Deledio and Matt Buntine) provided the musical entertainment for the afternoon.

Anchorman

Three Blind Mice

Toby Greene, Sam Reid and Lachie Whitfield. 

The Wolfpack

Mario Bros. & Princess Peach

Luigi (Sam Taylor), Princess Peach (Nick Shipley) and Mario (Dylan Buckley) arrived via the rainbow road.

Willy Wonka and the Oompa Loompas

After whipping up a batch of chocolate goodies, Willy Wonka (Zach Sproule) and his Oompa Loompas (Lachie Tiziani and Will Setterfield) were ready to enjoy some well earned rest.

Forrest Gump and Lt. Dan

Forrest Gump (Aiden Bonar) and Lt. Dan (Brent Daniels) arrived late as Forrest was forced to run his best friend from the shrimp boat all the way to the pub.