The five retro-glam cuties from the Wonder Girls are huge pop sensations in Korea and Asia, and are beginning the rumblings of an American takeover as well. In just a few short years, the Wonder Girls have had multiple hits in Korea, and their signature '60s style and gorgeous voices brought them worldwide attention.

During the summer of 2009, the Wonder Girls toured with The Jonas Brothers and hit cities across the US with the hottest K-pop boy group 2PM! Now in 2010, they’re gearing up to blow up, performing with Justin Bieber and adding 2AM to their tour. They've also evolved as fashion icons:

In their new single “2 Different Tears,” the Wonder Girls fast-forward their retro aesthetic, jumping two decades to the '80s. Watch them as they even make acid-wash look cute.