Originally a violinist, Lehpamer's early stage roles include Young Phyllis in Follies in 2008, Shane Warne: The Musical in 2008 and 2009, and The Threepenny Opera in 2010.
She received notice as Sherrie in Rock of Ages in 2011, Christine Colgate in Dirty Rotten Scoundrels in 2013, the title role in the premiere of Margaret Fulton - Queen of the Dessert in 2012, and Reza in Once in 2014 and 2015.
[1] She played Cynthia Weil in the Australian production of Beautiful: The Carole King Musical, receiving a Helpmann Award for Best Female Actor in a Supporting Role in a Musical in 2018.
[2] She played Principal Mullins in the Australian production of School of Rock the Musical.
[3] She plays Anne Hathaway, Shakespeare's wife, in an Australian production of the musical "& Juliet" in 2024.