With Halloween upon us, here’s a look at some of the best costumes from past and present players over the decade.

1

Tennis' biggest power couple started their Halloween domination as pop singer Bjork and Guns 'N Roses guitarist Slash.

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2

Agassi and Graf were picture perfect in 2014 as the groovy spy Austin Powers and pig-tailed as Pippi Longstocking.

3

The couple had another hit in 2015, with Graf dressing up as 1980s dynamo Cyndi Lauper and Andre appearing as Donald Trump. Maybe he knew something we didn’t?

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4

World No. 1 Djokovic loves a good costume. He wore this Darth Vader mask during the Paris Masters in 2012. It didn’t help his game, though—Djokovic lost that match to Sam Querrey.

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5

The American champion attended a Halloween party in 2015 dressed as a 1980s prom queen.

6

Twins Eugenie and Beatrice Bouchard celebrated Halloween in matching military gear in 2014.

7

And last year, Bouchard went bold with a "sexy Bowser" look.

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While this year she upped the ante with a feline ensemble.

8

The Halloween queen went the extra mile in 2011, dressing up as a Smurfette.

9

It wasn’t quite Halloween, but Djokovic was at his costume best in 2014 as Jackie Moon from the Will Ferrell comedy Semi-Pro.

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10

Giving Agassi and Graf a run for their money, the couple dressed as the infamous doomed duo John and Lorena Bobbit.