Washington, D.C. 24: All those, who always wanted to sing like Christina Aguilera, can now fulfill their dreams in just 90 dollars.  Recently, the 35-year-old singer took to her Twitter handle to announce that she has joined MasterClass, an online education platform that has signed on coaches and singers like Kevin Spacey, Usher, and Serena Williams, offering them opportunity to share their success secrets with common people, E! Online reports. (Also Read: No wedding bells for Christina Aguilera)

The `Lady Marmalade` hit-maker tweeted, “It’s official! Call me Professor Aguilera.”  Interestingly, a short trailer of Aguilera’s singing class has been dropped online and it shows the singer telling students that any one can learn from this course how to better trust themselves through 20 lessons and more than 3.5 hours of voice lessons.  According to MasterClass website, the `Candyman` hit-maker will teach people the techniques that have earned her six Grammy awards through exercises, such as breath control and vibrato.