The Wonder Girls have come in at #16 for Billboard.com's '21 under 21'. The Wonder Girls first appeared on the Billboard charts when they debuted at #76 on the Billboard Top 100 with their song, "Nobody". They were last featured on Billboard.com when they ranked�#21 on Billboard's Heatseekers Album Chart in July with their '2 Different Tears' album. Recently, Billboard compiled a list of 21 stars under the age of 21 who had the "potential to rule the pop culture zeitgeist over the next 12 months". Although 3 of the 5 Wonder Girls are 21 years old, Billboard included the group in their chart since Sohee and Lim are still under 21. The Wonder Girls came in at number 16, before Never Shout Never and after Diggy Simmons.�Others on the list were Charice Pempengco, Nick Jonas, Taylor Swift, Selena Gomez, Justin Bieber,�Miley Cyrus, Demi Lovato, Soulja Boy, and Gossip Girl's Taylor Momsen. Source + Photo: �Billboard Tip: Bobby & mikan01