Rebecca Black performed on Leno last night and talked about all of her "fans" who include Ryan Seacrest, Simon Cowell and Nicole Richie. Hey guys - she's not that bad! She's donating all of the proceeds of her hit single to the efforts in Japan. Watch the video - is she pulling an Ashlee Simpson? We get it - the song is REALLY difficult to sing live. You know what's even more difficult? Watching her sing live.