Laughter Therapy can be very beneficial for singers, actors, for everyone. Increased lung capacity and exercise of the diaphragm and abdominal muscles will help to gain a better control over speech. Another benefit is enhanced self-confidence and reduced stage fright due to an increase in the body's relaxation level, which results from laughter. Like this --> "I don't want to brag or make anybody jealous, but I can still fit into the earrings I wore in high school. "