LMFAO - "Sexy And I Know It" & "Party Rock Anthem"

LMFAO - "Sexy And I Know It" & "Party Rock Anthem" <br />Dancing With The Stars Season 13 Week 1 Results Show September 20, 2011 <br />Valentin Chmerkovskiy, Cheryl Burke, Maksim Chmerkovskiy, Peta Murgatroyd