Brna is best known as Meg in the 1st national Broadway tour of Little Women the musical starring Maureen McGovern with Autumn Hurlbert as Beth, Katie Fisher as Jo and Gwen Hollander as Amy.
[9] After making her Broadway debut in Coram Boy,[10] Brna went on to play Cosette in the regional premiere of Les Misérables at North Shore Music Theatre starring Fred Inkley.
[14] She went on to star as Eliza Doolittle in the 2009 production of My Fair Lady at the West Virginia Public Theatre directed by Broadway veteran Michael Licata.
[19] The cast included Derek Keeling from NBC's Grease: You're the One That I Want!, Mary Jo Catlett as Rosie and American Idol finalist Todrick D.
[20] She was reviewed as "a charmer, boasting a wonderful singing voice and an endearing quality that helps anchor the broadly funny shenanigans with genuine heart" as Julia.