THIS WEEK'S PERFORMANCES

Christina Aguilera paid tribute to Nina Simone via a soulful rendition of "I Loves You Porgy" which is taken from George Gershwin's "Porgy and Bess."

Miley and Shontelle (the rihanna wannabe) performed at the Macy's parade.

Luda promoting LP. Shawna looks a disgusting mess.

Pink does good morning america with 'funhouse.' always entertaining

Akon and Jeezy on Jimmy Kimmel

Brandy on the Today Show