Notice Fred in the background. He never even flinches. Just completely ignores her.
And see the sock under the table. Naturally you think Freddie had it there, but nooooooo, it was little miss wild child! Oh yeah, she's turning into a real rebel!
Okay, so it didn't take long for her to wear herself out, but she did it! She cut loose! Aaaaand as you can see Freddie is still ignoring her in the background.