This is because you can tell she doesn’t know what to do with her free hands. Holding a mic grounds her and makes her a better performer. It’s like holding your buddy’s hand when you’re about to do something hard. 😭 Also, raising and pointing the mic at the crowd makes her performance more expressive. Let’s not even talk about how headset mics pick up unwanted sounds like heavy breathing and coughing, whereas with a handheld mic, you can simply point it away from your mouth.