Sexy and I Know It (Originally Performed by LMFAO) (Karaoke Version) is and Unknown album released in 2013. There is one song in Sexy and I Know It (Originally Performed by LMFAO) (Karaoke Version). The song was composed by Sing Select, a talented musician. Listen to all of Sexy and I Know It (Originally Performed by LMFAO) (Karaoke Version) online on JioSaavn.