The Puerto Rican star celebrates a major career milestone as his breakout hit featuring Myke Towers joins the billion-views club.
It's Mars' 10th entry in YouTube's Billion Views Club & Gaga's fourth.
The milestone comes more than a decade after the music video was uploaded in 2013.
The visual marks the pop star's second to hit the milestone.
It's the pop star's second visual to reach the milestone.
"Africa" -- Toto's lone Hot 100 chart-topper -- is the band's first entry in YouTube's Billion Views Club.
The "Say It Right" video featuring Timbaland becomes her first visual to hit the milestone, just shy of 15 years after it was first uploaded.
The 2000 music video consists of one continuous shot with no cuts, a stark difference from the CGI and multiple sets of the band's later music videos.
The King of Pop's 1983 hit is the latest music video to reach one billion views on YouTube.
The Queens rapper's monster hit reached the milestone 12 years after its initial release.
