Do you see the left arm all bent? That is what happens when you are nervous and have had the surgery she has had. It's interesting to watch because it is a DEAD GIVEAWAY that she is worried about something, or concentrating really hard on something else. When she sang, the arm pulled up, when she paused she would look down at it and immediately straighten it out.
During Frosty these two boys came out and walked around the audience hamming it up. The boy in blue was tremendously funny, and obviously cut out for the stage - his face was so expressive.
A fun night to watch Blondie shine.