Jay Leno's last Tonight Show airs Friday May 29 with Conan O`Brien as guest. Who was Leno's most memorable guest ever?

Hugh Grant 19 (52%)
John McCain 4 (11%)
Wanda Sykes 4 (11%)
Arnold Schwarzenegger 3 (8%)
John F. Kennedy, Jr. 2 (5%)
Barack Obama 2 (5%)
Colin Farrell 1 (2%)
Mel Gibson 1 (2%)
Katie Couric 0 (0%)
Angie Harmon 0 (0%)