Entertainment Worst Dressed Grammy Artists Of All Time February 6, 2012 / 9:45 PM EST / CBS News Margaret Cho (2004) Lil Kim (2004) Christina Aguilera (2004) Bootsy Collins & Buckethead (2004) Weird Al Yankovic (2004) R. Kelly (2004) Beyonce (2004) Bob Thornton (2004) MC Hammer (2005) Jermaine Dupri - (2005) Fergie (2005) Nelly - (2005) Jack White - (2005) Dickey Betts (2005) Usher (2005) Jamie O'Neil (2005) Eric Benet (2005) Won-G (2005) The Blind Boys (2009) Deadmouse (2009) T-Pain (2009) Adele (2009) M.I.A. (2009) Snoop Dogg (2009) Raphael Saadiq (2009) Adam Lambert (2010) Nadeea (2010) Rihanna (2010) Ledisi (2010) Lady Gaga (2010) Ke$ha (2010) Ciara (2011) Hayley Williams (2011) Florence Welch (2011) Katy Perry (2011) Rihanna (2011) Kimberly Schlapman (2011) Nicki Minaj (2011)