16. Christopher Walken/Christina Aguilera

Live from New York, it's...Dana Carvey (as George Bush, Sr.) Sketches include ""George Bush and Son,"" ""Behind the Music: Blue Oyster Cult,"" ""Elian Gonzalez Musical,"" ""The Continental,"" ""Thanks, Viagra,"" ""Jenny Jones,"" ""The Census Taker,"" and ""Miss Greenwood Hills Beauty Pageant."" Christina Aguilera performs: ""I Turn To You"", ""At Last"", and ""What A Girl Wants"".