Late Night Highlights: Daniel Radcliffe Cries For Harry Potter

Harry Potter stars were out en masse on the late night circuit last night to promote The Deathly Hallows, Part I. Over at Late Night with Jimmy Fallon, Daniel Radcliffe revealed that he is having a difficult time coming to grips with the end of the franchise. Meanwhile, Emma Watson discussed adjusting to American college life, Craig Ferguson visited Lopez Tonight, Kathy Griffin impersonated Justin Bieber and B.J. Novak disappointed George Clooney fans.

5. Life on the B-List

Kathy Griffin used her segment on Jimmy Kimmel Live! to promote her fictional biopic The Justin Bieber Story.

4. Improvise a Smurf

Office star B.J. Novak visited Conan to discuss his small role in the Smurfs film, as well as his disappointing presence at the George Clooney-led Haiti telethon.

3. Late Night Cross Over

Craig Ferguson stopped by Lopez Tonight to discuss his inner gangster and his surprising sexual chemistry with G-Lo. As an added bonus, watch George Lopez debut his surprisingly spot-on Scottish accent.

2. Emma Watson's College Culture Shock

After David Letterman welcomed the Harry Potter actress by complimenting her "beautiful skull," Emma Watson talked about her adjustment to American university life.

1. Harry Potter's Tears

When Daniel Radcliffe appeared on Late Night with Jimmy Fallon, he revealed that he has been having a hard time coming to grips with the end of the franchise that made him famous.