Rihanna opening the 2008 VMAs with Disturbia and Katy doing Wide Awake at the Billboard Awards are the first two that come to mind. Those vocals... absolutely tragic
Every PCD performance of Buttons is ICONIC
So manny kiis within 4 minutes
A lot of Britney's Femme Fatale promo performances too. You could tell Britney truly did not give a **** about whether the performance was good or not