Jam it up 'Gangnam Style' on the hit's second anniversary

Two years ago, the world was introduced to Gangnam Style.

The music video from South Korean pop star Psy that would become a sensation hit YouTube on July 15, 2012. Since then, it's amassed more than two billion views, the first YouTube video to eclipse that mark.

USA TODAY Network looks back at some memorable Gangnam Style performances from Psy, other celebrities and even West Point cadets.

1. Britney with Psy on The Ellen Show

2. Psy performing Gangnam Style on The Today Show

3. Cadets from the U.S. Military Academy perform Gangnam Style

4. Former Spice Girl Melanie Brown performs with Psy on the X-Factor Australia

5. Madonna performs with Psy

6. Saturday Night LiveGangnam Style parody

7. Ryan Seacrest dances Gangnam Style after having Psy on his radio show

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