2012 Teen Choice Awards best and worst moments

When Flo Rida appeared to perform his new song "Whistle," he was upstaged -- not by another performer but by his microphone, which was adorned with a blinged-out half-moon with diamond-like objects spelling out "Rida." When he held it up to his mouth to sing, it looked like the biggest grill evah!

-- Liz Kelly Nelson, Zap2it