Someone has been having a little too much fun in the bedroom with her baller boo, huh?! Just kidding! …maybe. Iggy Azalea has been diagnosed with lock jaw, a painful condition professionally known as Temporomandibular Joint Disorders (TMD/TMJ.) The exact cause of TMJ/TMD is unknown, but a few possible culprits could be injury to the jaw, vigorous oral activity (mm-hmm!) grinding/clenching teeth, arthritis in the joint or stress. Being an entertainer who’s constantly under scrutiny is rather stressful, so it’s certainly possible that it’s the latter.