VIDEO: Lea Michele Talks BRUNETTE AMBITION, GLEE Drama and More on LETTERMAN

Lea Michele appeared on last night's LATE SHOW to discuss her new book, BRUNETTE AMBITION, plus all of the drama surrounding her relationship with Naya Rivera on the set of GLEE. Watch the interview below!

Michele's new memoir is set for release next Tuesday, May 20. At just 8 years old, Michele made her Broadway debut as "Young Cosette" in "LES MISERABLES." Since then, Michele has shared the stage with Broadway greats Audra McDonald and Brian Stokes Mitchell in "Ragtime" as well as Alfred Molina and the 20th anniversary cast of "Fiddler on the Roof." Her most recent performance on stage was in the role of "Wendla" for the Tony Award-winning Broadway production of "Spring Awakening," which also garnered her a Drama Desk Award nomination for Outstanding Actress in a Musical.

This March, Michele's highly anticipated album Louder debuted at No. 1 on itunes and in the top 5 on Billboard charts. Michele can currently be seen in the 5th season of Ryan Murphy's critically acclaimed, Golden Globe and SAG award winning show GLEE. In 2010, Michele was honored with both an Emmy nomination for "Outstanding Lead Actress in a Comedy Series" and a Golden Globe nomination for "Best Television Actress - Comedy and won a SAG Award for "Outstanding Performance by an Ensemble in a Comedy Series." In 2011, she received her second Golden Globe and SAG Award nominations for "Outstanding Lead Actress in a Comedy Series" and "Outstanding Performance by an Ensemble in a Comedy Series." In 2012 and 2013, Michele received a SAG Award nomination for "Outstanding Performance by an Ensemble in a Comedy Series," and won a Teen Choice Award for "Choice TV Actress: Comedy." In 2013, she also won a People's Choice Award for "Best TV Comedic Actress."

This May, Michele lent her vocal talents to the animated 3D musical "Legends of Oz: Dorothy's Return." Playing the lead role of Dorothy, she performs several original numbers written by Bryan Adams. Michele made her feature film debut in 2011 in Gary Marshall's "New Year's Eve" opposite Ashton Kutcher.