Psy's outfit has become the most popular costume for Halloween this year.

As YouTube sensation Psy takes the world, one of the most popular costume for this year would be Psy's tuxedo outfit. 

According to The Daily Times, "This outfit will make anyone look stylish, even if you bust out in dance."

Other costumes that are popular for this year are Obama, Romney Clint Eastwood and others.

Psy's "Gangnam Style" music video has currently surpassed 500 million views on YouTube and has ranked number 4 for 'most watched videos' of all time.

He has ranked number 1 on iTunes in 30 countries and has ranked number 2 on the Billboard main single chart Hot 100. 

He has also recently signed a contract with Justin Bieber's agency and plans to release his first U.S. single sometime in November.