Psy's second international hit "Gentleman" gained immediate attention, not just for being the follow-up to the insanely popular "Gangnam Style," but for busting Justin Beiber's record for the most YouTube views on the day of its release.

On April 13 "Gentleman" racked up an impressive 18.5 million views on YouTube in its first day.

Now, according to YouTube's trends manager Kevin Allocca, on April 14 Psy's sophomore video was watched 38 million times. That means it officially beat out the short film "KONY 2012" which previously held the record at 30 million single-day views by 8 million.

"Gentleman" reached an impressive record of 100 million views in just four days, while Psy's last hit took more that 50 days to get to that point.

The song's music video has already made the list of most-watched videos in YouTube history and it has only been out for a week and a half.

"Gangnam Style," the breakthrough hit for the Korean singer, also holds the record for most YouTube views of all time, and is currently sitting at well over 1.5 billion (the first video to break the billion mark).

It will be interesting to see what other sort of online records Psy will break in the upcoming months. But when all is said an done, it can be certain that Psy will go down in history for using YouTube to change the music world forever.