Watch below to see some of Broadway's favorites strip down, sing loud and party hardy.
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"Pumped Up Kicks"
Christopher Hanke and The Skivvies: "Big Bad Wolf"
Asmeret Ghebrmichael and The Skivvies: "Jump Jams Suite"
Matt Doyle and The Skivvies: "Pusher Love Girl"
Matt Doyle and The Skivvies: "Kiss"
"Get Lucky"
Margo Seibert and The Skivvies: "Shadowboxer Gonna Knock You Out"
"Animal/Shanmial"
"Let's Misbehave (Period Skivvies)"
Alice Ripley and The Skivvies: "The Peppermint Twist"
Keala Settle and The Skivvies: "You Make me Wanna Shhhh"
Betsy Wolfe and The Skivvies: "You Gotta Know Be Confident"
"Milkshake"
Lesli Margherita and The Skivvies: "Alcomedley Redux"
Steel Burkhardt and The Skivvies: "Call Me 2: The Sequel"
Adam Kantor and The Skivvies: "Call Me Adam"
"Let It Go/Hot in Herre"