The Australian Open is one of the biggest events this country hosts every year.

And it always attracts some of the biggest names on the planet.

Sometimes they are involved in proceedings. Sometimes they are dating someone on the tour. And sometimes they are just in town by chance.

Foxsports.com.au has identified some of the most famous celebrities who have been spotted inside Rod Laver Arena or Melbourne Park in previous years.

ANNA WINTOUR

The queen of fashion and avid tennis fan made her first appearance at Melbourne Park this time last year, where she watched close friend Roger Federer and made a timely speech at the tournament’s inspirational series.

Will Smith watches Nick Kyrgios of Australia and Jo-Wilfried Tsonga in 2018.

WILL SMITH

When the Bad Boys actor made a surprise appearance at one of Nick Kyrgios’ matches in 2018, the crowd didn’t know where to look.

Will Ferrell and John McEnroe interview Roger Federer two years ago.

WILL FERRELL

Tennis press conference aren’t usually funny, but when they involve this man they are hilarious. The star of Anchorman – and many other popcorn flicks – provided plenty of laughs when he turned up at the Open in 2018.

Prince William came to watch Andy Murray in 2010.

PRINCE WILLIAM

Tennis royalty met the real royalty when Prince William watched Roger Federer do his thing back in 2010. His brief trip down under also included watching Casey Dellacqua.

British actor Elizabeth Hurley and Shane Warne watch Roger Federer and Bernard Tomic in 2013.

LIZ HURLEY

Back when the British mega star was dating the king of spin Shane Warne, they sent snappers into a swirl courtside during a few affectionate moments at the 2013 Australian Open.

Kevin Spacey in the crowd at the 2013 Australian Open Final.

KEVIN SPACEY

The disgraced House of Cards made an appearance during the 2012 Australian Open where he was supporting Andy Murray.

Virat Kohli and wife Anushka Sharma meet with Roger Federer in 2019.

VIRAT KOHLI

He is the biggest star in the second largest country in the world, so when the Indian cricket captain dropped into Melbourne Park last summer, it was a very big deal.

Niall Horan looks on in 2016.

NIALL HORAN

As the star of pop band One Direction, Niall Horn is one of the biggest heart throbs in the world. He attracted plenty of attention when he came to watch Andy Murray in 2016.

Red Foo holds up a Vitoria Azarenka t-shirt in 2014.

RED FOO

Who could forget about this guy? He was front and centre on the coverage in 2014 when the artist came to watch then girlfriend Victoria Azarenka in action.