This was from the post-Oscars episode of Jimmy Kimmel, featuring Tom Hanks and some surprises, a spoof of those insane people from "Toddlers & Tiaras". It has to be one of the funniest segments in Late Night history. Jimmy Kimmel also managed another funny video called "Hottie Body Hump" featuring the likes of Jessica Biel, Emily Blunt, Scarlett Johansson, Jessica Alba, Eva Longoria, Minka Kelly, Kelly Ripa and Hollywood's resident perp Lindsay Lohan. This is obviously the best[only?] thing she's done since Mean Girls.
And finally, the Jimmy Fallon spoof of the Real Housewives franchise. It seems pretty spot on: