Sierra Boggess was born and raised in Denver, Colorado, with her two sisters, Summer and Allegra. The three of them were members of the Colorado Children's Chorale. Her parents are Kellun Turner and Michael Boggess. She attended George Washington High School[2] and graduated from Millikin University with a BFA in musical theater.

Boggess began her career in the Ensemble and as an understudy for Cosette on the U.S. national tour of Les Misérables.[citation needed] She also played the roles of Binky and Ram Dass in the musical Princesses.[citation needed] Her previous work includes West Side Story (Maria), The Pirates of Penzance (Mabel), Sweet Charity (Charity) and The Boy Friend (Polly).[citation needed]

Around the time she was still doing "Les Misérables", Boggess was cast in the brand new Las Vegas production of Andrew Lloyd Webber'sThe Phantom of the Opera at the Venetian Resort and Casino. The production opened on June 24, 2006. Boggess starred in the female leading role of...