07/01/2012 LMFAO are at #1 on the US singles chart with "Sexy And I Know It"
LMFAO - Sexy and I Know It
LMFAO - Party Rock Anthem / Sexy and I Know It (Billboard Music Awards 2012)
"Sexy and I Know It" is a song their second studio album, Sorry for Party Rocking. It became their second number one hit, after on the Billboard Hot 100 in the US, making them the first duo to have two successive number-one singles since Outkast.