Britney Spears is one of the definitive music video artists of the 21st Century. In honor of the 25th anniversary of her "Baby One More Time" album release, we look back at 16 of Britney's most iconic music videos and name the Best Britney Video.

In 1999, we were livin’ la vida loca while we hurtled into the 21st Century. We’re throwing it back to discuss 32 of the most-popular songs of 1999.