THE SCREENING ROOM: The Skivvies' 54 Below Concert, With Laura Benanti, Rory O'Malley, Andrew Keenan-Bolger and Morgan James

Tony Award winner Laura Benanti, Rory O'Malley, Andrew Keenan-Bolger and Morgan James joined the Skivvies for their June 10 engagement at 54 Below. Here are highlights from the evening. 

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."

In addition to Benanti ( Gypsy), O'Malley ( The Book of Mormon), Keenan-Bolger ( Newsies) and James ( Motown), the concert featured Alison Fraser ( The Secret Garden), Adam Kantor ( The Last Five Years), Wesley Taylor ("Smash") and Leslie McDonel ( American Idiot).

They were joined by Shannon Ford ( Next to Normal) on drums and Katrina Yaukey ( War Horse, Billy Elliott) on saxophone/accordion.

"It's Hot Hot Up in Herre":

"You Make Me Feel Like a Milkshake Needs Me":

"On a Starship Island," featuring Rory O'Malley:

"Amanda Bynes Tweets/Unpretty/Call Me Maybe Your Girlfriend," featuring Wesley Taylor:

"Crazy" mashup, featuring Leslie McDonel as Amanda Bynes:

"F*ck You Small World," featuring Andrew Keenan-Bolger:

"If I Were to Do Right Man's World Woman in a Suit and Tie," featuring Morgan James:

"Bootylicious Fream Like Me," featuring Laura Benanti:

"Feelin' Kinda Groove in the Heart":

"Pumped Up Glitter Kicks":

"Live Like We Are Young Folks":

"Brand New Key," featuring Alison Fraser:

"Hardbody Hoedown":