Viral star PSY has reached a new milestone on YouTube.

The South Korean rapper's video for "Gangnam Style" has reached 1 billion views, according to YouTube's counter. It's the first time any clip has surpassed that mark on the streaming service owned by Google Inc.

The self-deprecating video features Park Jae-sang's giddy up-style dance moves. The video has been available on YouTube since July 15, averaging more than 200 million views per month.

Justin Bieber's video for "Baby" held the previous YouTube record at more than 800 million views.

Earlier this month Google announced "Gangnam Style" was the second-highest trending search of 2012 behind Whitney Houston, died in February.