Cody Simpson

Cody Simpson performs "All Day."

Greyson Chance

Greyson Chance performs "Waiting Outside the Lines."

Selena Gomez & The Scene

Selena Gomez & the Scene performs "Who Says."

Mitchel Musso

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

Tony Hawk

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.

Coco Jones

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

Mindless Behavior

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

Colbie Caillat

Colbie Caillat performs "Brighter Than the Sun".

Far East Movement

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

Kicking Daisies

Kicking Daisies performs "Keeping Secrets".

Dave Days

Dave Days performs "What Does It Take".

Chelsea Kane / Hot Chelle Rae

Hot Chelle Rae Performs "Tonight Tonight".

Miss Piggy

Miss Piggy guest stars and participates in several sketches.

Iyaz

Iyaz performs "Pretty Girls" featuring Mann.

Lemonade Mouth

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

Leigh-Allyn Baker and Mia Talerico

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

Justin Bieber

Justin Bieber performs "Mistletoe".

Christina Grimmie

Christina Grimmie performs "Advice".

Andy Grammer

Andy Grammer performs "Keep Your Head Up".

Cole and Dylan Sprouse

Cole and Dylan Sprouse participate in several sketches.

The Ready Set

The Ready Set performs "Young Forever".

China Anne McClain

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

The New Boyz

The New Boyz performs "Meet My Mom".

Shane Harper

Shane Harper performs "One Step Closer".

Destinee & Paris

Destinee & Paris performs "True Love".