Destinee & Paris performs "True Love".

Shane Harper performs "One Step Closer".

The New Boyz performs "Meet My Mom".

China Anne McClain performs "Unstoppable" and participate in a few sketches.

The Ready Set performs "Young Forever".

Cole and Dylan Sprouse participate in several sketches.

Andy Grammer performs "Keep Your Head Up".

Christina Grimmie performs "Advice".

Justin Bieber performs "Mistletoe".

Pia Toscano performs "This Time" and Leigh-Allyn Baker and Mia Talerico participate in a few sketches.

Lemonade Mouth (Bridgit Mendler, Adam Hicks and Hayley Kiyoko) perform "Determinate" and Bridgit Mendler and Adam Hicks participates in a few sketches.

Iyaz performs "Pretty Girls" featuring Mann.

Miss Piggy guest stars and participates in several sketches.

Hot Chelle Rae Performs "Tonight Tonight".

Dave Days performs "What Does It Take".

Kicking Daisies performs "Keeping Secrets".

Far East Movement performs "Rocketeer", with special guest Miguel.

Colbie Caillat performs "Brighter Than the Sun".

Mindless Behavior performs "My Girl". The So Random! cast are trying to find Rufus.

Jacob Latimore performs "Like 'Em All".

Coco Jones performs "Stand Up" and participates in a sketch.

Tony Hawk guest stars and does a sketch on the show while the main cast of the show tries to make him do something extreme. He finally flies out at the end of the show.

Mitchel Musso performs "Get Away" and participates in a sketch.

Selena Gomez & the Scene performs "Who Says."

Greyson Chance performs "Waiting Outside the Lines."

Cody Simpson performs "All Day."