Pop artist Ariana Grande performs her new hit "Break Free" live on AGT.
America's Got Talent Vegas Week sneak peek.
Howie participates in a stage performance and literally forgets how to read.
Judge Howie Mandel discusses the excitement of America's Got Talent Season 9.
Singer-songwriter Miguel Dakota makes quite an impression on the judges and the audience with his elegant, soulful singing voice.
The other judges talk about Heidi kissing "Mudslinger The Pig" a real pig.
John Narum aims to make yo-yoing an art with a creative performance.
Livy, Matt and Sammy bring an indie sensibility to the stage.
Valo and Bobby talk about why America should vote for them.
Watch Nick and The Judges tell Kathy Rixie what type of act was underrepresented this season!
This performance literally makes Howie take his shirt off and run on stage to be a part of the act.
Check out the Reddi-Wip Moments of Joy from Week 3 of America's Got Talent Season 9!
Juan Carlos brings his questionable rollerblading dance routine and larger-than-life personality to the AGT stage.
Aerial dance team Mothmen Dance takes to the air in a high-flying display.
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