E.T.

E.T. is a song by Katy Perry. It appears on Just Dance 3. It is a Best Buy Exclusive.

Dancer
The dancer seems to be an a alien.

Trivia

 * This is a Best Buy Exclusive along with Teenage Dream which is also by Katy Perry.
 * The dancer is an alien because Ubisoft probably wanted the dancer to look like an "Extra Terrestrial" kind of being.