Must-See Video! Katie Ladner Performs Amazing LITTLE SHOP OF HORRORS & WICKED Mash-Up At 54 Below

Two showstoppers as you've never heard them before!

Rising musical theatre star Katie Ladner, most recently seen in Joe Iconis's BE MORE CHILL and HEATHERS: THE MUSICAL, stopped the show at 54 Below's #tbtLIVE: THROWBACK THURSDAY: THE CONCERT last week with her true-life inspired mash-up of tunes from LITTLE SHOP OF HORRORS along with WICKED's "Defying Gravity" and a video of the showstopping performance is now available to view.

The official description of #tbtLIVE: THROWBACK THURSDAY: THE CONCERT was as follows: "We all love an embarrassing #tbt, but for one night only, put down your iPhone, close out your instagram, and ignore your twitter feed, because 54 Below has the greatest #tbt in town! Join a cast of Broadway favorites ready to throw it back to the greatest performances that only their mothers saw. #tbtLIVE brings throwback Thursday center stage. Literally. From summer camp to college, and everything in between, this one night only event features Broadway stars reprising performances from the days when they were just broadway babies.* *embarrassing photos and videos included.

STARRING: Alex Finke (ANYTHING GOES), Kendal Hartse (RODGERS + HAMMERSTEIN'S CINDERELLA), Grey Henson (THE BOOK OF MORMON), Adam Kaplan (NEWSIES), Katie Ladner (HEATHERS, BE MORE CHILL), Matt Meigs (MATILDA), Tam Mutu (DOCTOR ZHIVAGO), Ashley Park (THE KING AND I), Matt Rosell (LES MISERABLES), Alexandra Silber (MUNY'S MY FAIR LADY, MASTER CLASS), Jason Michael Snow (THE BOOK OF MORMON), Wesley Taylor (THE ADDAMS FAMILY, CABARET) and Samantha Marie Ware (GLEE, THE BOOK OF MORMON). Produced by Shoshana Feinstein. Associate produced by Samantha Massell."

More information on #tbtLIVE: THROWBACK THURSDAY: THE CONCERT is available at the official site here.

Katie Ladner originated the role of Martha Dunnstock in the workshop and Off-Broadway productions of HEATHERS: THE MUSICAL in addition to recently starring in the debut production of Joe Iconis's BE MORE CHILL. Regional theater credits include HAIRSPRAY, FOOTLOOSE, THE 25TH ANNUAL PUTNAM COUNTY SPELLING BEE and more, plus readings of FREAKY FRIDAY, FAT CAMP, REDRUM... and beyond.

View the video of Katie Ladner performing the mash-up below.