PHOTO CALL: The Skivvies Heat Up 54 Below, With Special Guests Nick Adams, Matt Doyle, Lesli Margherita and More

Nick Adams, Matt Doyle, Leslie McDonel, Lesli Margherita and Tituss Burgess joined The Skivvies for their sold-out concert of stripped-down songs Sept. 23 at 54 Below.

Following three previous concerts at the nightlife venue, The Skivvies offered a 9:30 PM concert that included Adams ( Priscilla Queen of the Desert), Doyle ( The Book of Mormon), McDonel ( American Idiot), Margherita ( Matilda The Musical) and Burgess ( The Little Mermaid).

View the Skivvies' recent adventure to Central Park with Julia Murney.

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

Check out the Skivvies' Playbill Playlist of "Songs to Strip to."