If you were at a loss for hot hip-hop dances to pull out at your cousin's wedding, here's the list for you. The Soulja Boy has proven to be the year's biggest dance craze with film star Natalie Portman jumping on the bandwagon and receiving a lesson from Mr. Crank That himself, and Josh Groban admitting to having mastered the dance.

Check out some other moves worth trying out.

Soulja Boy, 'Crank That (Soulja Boy)'
Soulja Boy built a movement around the catchy -- yet complicated -- dance craze, which is actually a combination of the latest dirty south dance moves.