Best pals CeCe and Rocky dream of dancing stardom. And they seem on the verge of realizing that goal when they win places as backup dancers on the local TV show "Shake It Up, Chicago." While they get to show off their moves, they find out they need to keep putting their best feet forward to keep up with the rest of the crew on the show.

Pop sensations Alvin, Simon and Theodore end up in the care of Dave Seville's twenty-something nephew Toby. The boys must put aside music super stardom to return to school, and are tasked with saving the school's music program by winning the $25,000 prize in a battle of the bands. But the Chipmunks unexpectedly meet their match in three singing chipmunks known as The Chipettes - Brittany, Eleanor and Jeanette. Romantic and musical sparks are ignited when the Chipmunks and Chipettes square off.

Dancers selected in open auditions across America take part in a rigorous competition designed to best display their talents, training and personalities to a panel of judges and viewers as they strive to win votes and avoid elimination.