15. Bobby Shmurda: 21 Under 21 (2014)

21 Under 21 Main Page

Birthdate: April 1, 1994 (Age: 20)

Last Year's Rank: N/A

Why He's Hot: Bobby Shmurda took 2014 by storm. His viral hit, "Hot Ni--a," spawned countless Vine videos and memes in which people perform his signature Shmoney dance. The dance craze has been performed by some of music's most wanted such as Beyonce, Rihanna, Drake and Chris Brown. His hit earned him a hefty record deal with Epic Records. Shmurda's 2014 major label debut is due later this year.

21 Under 21's Next Class | Top 21 Songs by Under-21 Singers 

Billboard's 2014 21 Under 21 List