A few years ago, it was hard to imagine a YouTube video reaching over a billion views. Now it seems there are 10 chart toppers in the hall of fame, with Wiz Khalifa's 'See you Again' the latest inductee. What makes it more impressive is that the tribute video of sorts has been up for barely a year, the second fastest video to reach the feat after Psy's 'Gangnam Style'.

If you haven't seen the video yet, here's Wiz Khalifa and Charlie Puth's phenomenal single 'See You Again'...

As we anticipate more videos to join this eclusive club, here's a complete list of the massive music hits that have already reached the record...

Psy – 'Gangnam Style'

Justin Bieber – 'Baby'

Taylor Swift – 'Blank Space'

Katy Perry – 'Dark Horse'

Katy Perry – 'Roar'

Taylor Swift – 'Shake It Off'

Enrique Iglesias – 'Bailando (ft. Sean Paul, Descemer Bueno, and Gente de Zona)'

Meghan Trainor – 'All About That Bass'

Mark Ronson – 'Uptown Funk! (ft. Bruno Mars)'