Katy Perry's 'Dark Horse' reaches huge milestone

Pop sensation Katy Perry's song "Dark Horse" has crossed a major milestone of reaching one billion mark on Youtube.

The 30-year-old singer crashed the ultimate boys club when her song became the third video ever, and first by a female artist, to notch more than one billion views, reported MTV online.

The star took to Twitter to share the news.

"Guys. What. Dark Horse has reached 1 BILLION views?! I seriously love your eye balls & your fingers for dem clicks," she wrote.

"Dark Horse" featuring rapper Juicy J was released on September 2013, by Capitol Records.