#FlashbackFriday with GIRLS' GENERATION, EXO, 2NE1 and more!

It's #FlashbackFriday! Take a trip down memory lane with 5 of today's biggest K-Pop groups: Girls' Generation, EXO, 2NE1, 2PM, and SISTAR. Scroll down and see for yourself the transformations they've made since their debut music videos!

Girls' Generation debuted in 2007 with "Into the New World"!

Video Courtesy: SMTOWN

2PM's first music video "10 out of 10" was released in 2008!

Video Courtesy: jypentertainment

2NE1 made a hot debut in 2009 with "Fire"!

Video Courtesy: 2NE1

EXO burst onto the scene when "MAMA" was released in 2012!

Video Courtesy: SMTOWN

SISTAR started their journey to the top in 2010 with "Push Push"!

Video Courtesy: starshipTV

What's your favorite debut music video? Let us know in the comments!