List of most-viewed YouTube videos  YouTube is an American video-sharing website headquartered in San Bruno, California. It was founded by Steve Chen, Chad Hurley and Jawed Karim in February 2005, and the first video was "Me at the zoo" uploaded by Karim on his channel in April 2005. Although the most-viewed videos were initially viral videos, such as "Evolution of Dance" and "Charlie Bit My Finger", the most-viewed videos were increasingly related to music videos. In fact, since Lady Gaga's "Bad Romance", every video that has reached the top of the "most-viewed YouTube videos" list has been a music video. Although some of the previously most-viewed videos are no longer listed on the site, reaching the top of the list is still considered a tremendous feat. In November 2005, a Nike advertisement featuring Brazilian football player Ronaldinho became the first video to reach one million views. An early metric of a video's popularity was the so-called Billion View Club, videos which had succeeded in reaching over 1 billion views since their initial upload. In December 2012, "Gangnam Style" became the first video to reach one billion views. By June 2015, only "Baby" had also managed to pass this threshold; but, by October 2015, a total of ten videos had done so, and the number grew further to 100 in February 2018. Considering older videos that pre-dated YouTube's creation in 2005 but were added later:  With numerous videos readily clearing one billion views by 2018, more interest has been on two and three-billion views and higher metrics. In May 2014 "Gangnam Style" became the first video to exceed two billion views. "Despacito" became the first video to reach three billion views in August 2017, and since has surpassed four billion in October 2017, five billion in April 2018, and six billion in February 2019.  , thirteen videos have exceeded three billion views, five of which exceed four billion views, two of which exceed five billion views and one of which exceeds six billion views. "See You Again" became the second video to reach three billion views in August 2017, followed by "Gangnam Style" in November 2017. "Shape of You" became the second video to reach four billion views in January 2019, followed by "See You Again" in February 2019. "Baby Shark Dance" became the second video to reach five billion views in April 2020.  , the fastest videos to reach one billion views are "Hello" (87 days), "Despacito" (96 days) and "Shape of You" (97 days); the fastest videos to reach two billion views are "Despacito" (154 days), "Shape of You" (187 days) and "Girls Like You" (293 days); the fastest videos to reach three billion views are "Despacito" (203 days) and "Shape of You" (342 days); the fastest videos to reach four billion views are "Despacito" (271 days) and "Shape of You" (708 days).