yyyoo look at Will Smith's family reaction to Miley!! pic.twitter.com/GlO320EmDB— Nancy Drew (@chi_chibaby) August 26, 2013
Here's the performance that elicited the best audience reaction of all time. You can watch it below if you feel like being embarrassed forever. Update: Apparently the Smith family jaw-drop was prompted by Lady Gaga's performance. It's still an apt reaction to the show as a whole.