Broadway.com's Paul Wontorek calls the London 25th Anniversary a "Triumph!" and that " there doesn’t seem to be a better Christine." Click here to read the full review.

Sierra spoke with BroadwayWorld's Pat Cerasaro in advance of the 25th Anniversary screening. Click here to read the exclusive interview.

Sierra and Ramin Karimloo will star in a live broadcast of The Phantom of the Opera at Royal Albert Hall. Click here to learn more about the special 25th anniversary event.

Sierra sat down with Broadway.com to discuss her career journey thus far. Click here to read the interview.