[caption id="attachment_329658" align="aligncenter" width="600" caption="Wonder Girls at Billboard.com's studio for Mashup Mondays"][/caption] Billboard offers fans a unique opportunity via "Mashup Mondays" to vote on which song their favorite artist will cover. Last month, the Billboard website put up a poll for the Wonder Girls. Out of the three choices of The Band Perry's "Hip To My Heart", Miley Cyrus' "Party In The USA", and "Nothin' On You" by B.o.B. feat. Bruno Mars. It's been revealed that B.o.B. feat. Bruno Mars "Nothin' On You" won with 47% of the votes. Miley Cyrus' "Party In The U.S.A." was a close second with 43% and The Band Perry "Hip To My Heart" only had 10% of the vote. Check out the wonderful cover session below! [gallery columns=4] Source: Billboard