Pakistan, May 21 -- Jennifer Lopez is celebrating a huge career milestone with one of her biggest global hits, On The Floor. The 56-year-old American singer and songwriter marked a major achievement as her 2011 song surpassed one billion streams on Spotify.

While On The Floor isn't old enough to be from her late 90s/early 2000s breakout, it is a classic from the early 2010s.

Featuring Pitbull, it became a massive worldwide dance anthem and has now hit the billion-stream milestone.

To make the occasion more memorable the Let's Get Loud singer reposted an announcement from a fan page on her official X account.

The post read, "Join TOMORROW for an exclusive On The Floor streaming party at 6PM EST! To celebrate the song reaching over a bi...