A very small look at what happened on American TV last night. Did Fallon do something funny with his buddy Timberlake? Did Kimmel get in a fight with Kanye? Did Letterman get someone's name wrong? Is Conan still alive? Which rapper shared their feelings with Arsenio Hall? Find out here!

Despite taking a hiatus from live shows, Sky Ferreira was on incredible form last night as she made her way through 'You're Not The One', taken from her debut album Night Time, My Time. If you don't fancy watching it, just look at the beautiful screenshot of Letterman below. That should do the trick.

Rating: 7.5