Before the Oscars Jimmy Kimmel made a bunch of YouTube videos with different movie stars, where they spoofed famous viral videos like "Charlie Bit My Finger" and "David After Dentist."  Check out the videos:

Last night he played some behind-the-scenes videos with the stars who helped out.  This one has Catherine Zeta-Jones and Joseph Gordon-Levitt bragging about their hyphenated names.  Samuel L. Jackson shows up in there for an awesome joke too.