Asking Tonight Show host Jimmy Fallon if he had ever touched Donald Trump's "real hair," (he had not) Clinton offered "you want to touch mine?" Douglas Gorenstein/NBC via AP hide caption

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Jimmy Fallon during his debut Monday as host of NBC's The Tonight Show. Theo Wargo/Getty Images for 'The Tonight Show' hide caption

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Seth Myers performs during the Comedy Central South Beach Comedy Festival at the Fillmore Miami Beach in Miami Beach, Fla., April 18. NBC announced Sunday that Myers is the new host of Late Night. Jeff Daly/Jeff Daly/Invision/AP hide caption

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Jimmy Fallon, right, and Jay Leno at the 2013 Golden Globe Awards in Beverly Hills. Robyn Beck/AFP/Getty Images hide caption

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