Louderman was born in Madison, Wisconsin and then raised in Bourbon, Missouri, a small town 60 miles southwest of St. Louis, Missouri. She is the eldest daughter of Roger and Suzanne Louderman and has four sisters, Hannah, Olivia, Morgan, and Madison. In 2001 at the age of 10, she was cast in the title role of Annie at Ozark Actors Theatre in Rolla, Missouri. She graduated from Sullivan High School and then attended the University of Michigan for two years before leaving the program to star as Campbell in the touring production of . In 2020, she earned a Bachelor of Science degree in Liberal Arts from The New School.
Career
After her sophomore year at the University of Michigan, she appeared as Margot in 2011 production of Legally Blonde at The Muny. It was during this time she learned she had been cast as the lead role of Campbell in the touring production of '. After its national tour, ' then transferred to Broadway in 2012 with Louderman, making her Broadway debut. Louderman then appeared as Wendy Darling in NBC's 2014 live production of the musicalPeter Pan. She was next seen on Broadway in January 2017, taking over the role of Lauren in Kinky Boots. Louderman starred as Regina George in the Tony Award-nominated Broadway musical, Mean Girls, written by Tina Fey with music and lyrics by Jeff Richmond and Nell Benjamin, respectively. The show had its world premiere as an out-of-town tryout at the National Theatre in Washington, D.C. from October 31, 2017 to December 3, 2017 in which Louderman originated the role of Regina George. The musical, which is based on the film of the same name, began previews on March 12, 2018, and officially opened on Broadway on April 8, 2018 at the August Wilson Theatre in New York City. She received nominations for numerous awards for this role, including nominations for the Tony Award for Best Actress in a Musical, the Drama League Award, and an Outer Critics Circle Award. Louderman announced via her Instagram that she would be departing Mean Girls on September 8, 2019. In March 2019, it was reported that Louderman landed a leading role in a new CBS show, The Emperor of Malibu. As part of The Muny's 101st season, Louderman reprised her role as Lauren in Kinky Boots in June 2019. Calvin Wilson, writing for the St. Louis Post-Dispatch, wrote of her performance: "...In a role that’s too small for her talent, Louderman is a sheer delight." In July 2019, Louderman announced via her Instagram that following the conclusion of her current projects, she would be taking a hiatus from performing to focus on writing, teaching, and producing. Posting on July 12th, she captioned a photo of herself as Regina George with: "...I have to be honest..though I ask for forgiveness for expressing this if it’s not what you want to hear...I am ready. I am sad being in these shoes most days...still very grateful, but to the younger version of myself who dreamt this all up, I love you, please forgive me and thank you."
Personal life
On December 24, 2019, Louderman was engaged to boyfriend, Brooks Toth. On June 15, 2020, Louderman announced on her Instagram account that she and Toth were married at Jupiter Lighthouse Park in Florida.
