MasterClass announces Grammy Award winning recording artist CHRISTINA AGUILERA as their newest instructor. The legendary singer, songwriter and actress signed with the online education company and will teach a course focused on singing. Co-founded by David Rogier and Aaron Rasmussen, MasterClass currently offers classes from Dustin Hoffman (acting), Serena Williams (tennis) and James Patterson (writing). Upcoming classes include Usher (performance), Annie Leibovitz (photography) and more to follow.MasterClass, a San Francisco-based company which launched May 12, 2015, is an online education platform making it possible for everyone to learn directly from the world’s best. Each master teaches a course which is available online for purchase at www.masterclass.com for $90 each and includes video lessons, interactive exercises, learning materials, and workbooks.A pop icon, Aguilera has had an established career earning her countless awards, including 6 Grammy Awards and a star on the Hollywood Walk of Fame. She has sold over 50 million albums worldwide and was ranked 58 on Rolling Stone’s list of 100 Greatest Singers of All Time. In 2011 Aguilera became an original coach on popular television series The Voice, and has since appeared on four of its seven seasons.”I’m excited MasterClass has given me the opportunity to truly share all I have learned about my craft with the world. Coaching in this capacity not only gives me a chance to connect with my fans but lets me explore one of my true passions,” said CHRISTINA AGUILERA.”Christina has one of the greatest voices of our generation. Not only that, but she truly wanted to teach! We’re lucky to have her on board and can’t wait to see what she has in store for students,” said Co-Founder and CEO David Rogier.Co-Founder and Creative Director, CTO Aaron Rasmussen added, “Christina’s nuanced understanding of singing paired with her incredible natural talent will make for an exceptional and fun MasterClass with tips, tricks, exercises, and some of the surprising mental techniques behind having one of the most impressive vocal ranges in music today.”Production of Aguilera’s class will begin in September in Los Angeles and be released in the fall.Each MasterClass is priced at $90 and includes:10-25 video lessons from the instructor (approx. 2-5 hours of video)Interactive exercises: for exle, in Dustin Hoffman’s MasterClass students can be matched with other students to practice scenes from the class, and then upload videos for feedback from other students (and sometimes even Dustin himself!)Learning materials: workbooks and class materials like excerpts from James Patterson’s first draftsLifetime access, with classes that never expireLearning materials and workbooksAccessible from any device (access Serena’s class on your smartphone right on the court).