Watch Patrick Page, Jason Tam, Justin Guarini and More Strip Down and Sing With the Skivvies (Video)

The Skivvies performed a late-night concert June 20 at 54 Below featuring various special guests from Broadway.

The 11 PM concert featured Alice Ripley ( Next to Normal), Justin Guarini ( Women on the Verge of a Nervous Breakdown) and Patrick Page ( Casa Valentina) as well as Paige Davis ( Chicago) and Jason Tam ( If/Then).

Actor-musicians Lauren Molina ( Sweeney Todd, Marry Me a Little) and Nick Cearley ( All Shook Up) are the duo behind The Skivvies, known for their acoustic performances of pop songs, wearing nothing but their underwear. Molina, Cearley and their guests play instruments ranging from the cello, ukulele, guitar and glockenspiel to the melodica.

Click through to watch The Skivvies and their special guests in performance.

Alice Ripley and The Skivvies
"Empire State of Mind/New York Medley"

Alice Ripley and The Skivvies
"The Peppermint Twist and Shout"

"Happy"

Jason Tam and The Skivvies
"Hello/Goodbye"

Patrick Page and Paige Davis
"Man! I Feel Like a Woman"

"The Kids are Safe and Sound"

Justin Guarini and The Skivvies
"'Girl'rini"

Jenna Leigh Green and The Skivvies
"Crazy"

"The Shoop Thong Song"

"Video Killed The Radio Star"

"Pumped Up Glitter Kick"

"Happy Birthday/ We Are Family"

"Feelin Kinda Groovy in the Heart"

"Prohibition-Era Skivvies"