Sierra Marjory Boggess (; born May 20, 1982) is an American theater actress and singer. She is best known for originating the role of Ariel in The Little Mermaid on Broadway, and for her multiple appearances as Christine Daaé in The Phantom of the Opera. She began by playing the role in the Las Vegas production of Phantom in 2006. In 2010, she reprised the role of Christine Daaé in the original London version of Love Never Dies, which continues the story of Phantom, opposite West End / Broadway actor Ramin Karimloo as the Phantom. She also played the role in the Broadway production of The Phantom of the Opera in 2013. She also originated the role of Rosalie Mullins in School of Rock, 2016. Early life and education Sierra Boggess was born and raised in Denver, Colorado with her older sister, Summer, and her younger sister, Allegra. All three sisters are professional musicians. The three were members of the Colorado Children's Chorale. Her parents are Kellun Turner Boggess and Michael Boggess. She attended George Washington High School. In an interview with The Interval, Boggess discussed the influence of drama studies during high school on her early development. She graduated with a Bachelor of Fine Arts from Millikin University in 2004, where she studied voice with Cynthia Douglas. Career Boggess began her career in the ensemble and as an understudy for Cosette on the U.S. national tour of Les Misérables. She also played the roles of Binky and Ram Dass in the musical Princesses at Goodspeed Opera House and the 5th Avenue Theatre in Seattle. Her previous work includes West Side Story (Maria), The Pirates of Penzance (Mabel), The Boy Friend and Sweet Charity (Charity). 2006–2013 Around the time she was performing in Les Misérables, Boggess was cast in a Las Vegas production of Andrew Lloyd Webber's The Phantom of the Opera at The Venetian Las Vegas. The production opened on June 24, 2006. Boggess starred in the female leading role of Christine Daaé, co-starring with Anthony Crivello and Brent Barrett alternating in the title role. She stayed with the Las Vegas production for a year. Boggess was then cast in her Broadway debut, originating the leading role of Ariel in The Little Mermaid. She performed with the show in its pre-Broadway tryout at the Denver Center for the Performing Arts' Ellie Caulkins Opera House, which ran from July 26,