A celebrity wellness guru and MTV personality is standing firm ... after a firestorm of criticism was unleashed when she admitted she doesn't have a license to practice therapy. Here's the deal ... Cheyenne Bryant , who claims to hold a Ph.D., has been at the center of controversy since she made the lack of a license news known while on Joe Budden's podcast ... leading to scrutiny of her education and qualifications in general. Now, Cheyenne is pushing back, telling Fox5 DC ... if she believes