Thanks, Dave: Here's How Your Fave Celebs Said Goodbye To Letterman

Warm goodbyes from Lena Dunham, Jessica Alba, Elizabeth Banks, and more.

David Letterman ended his 33-year reign over latenight with an emotional final episode last night (May 20), and as we mourn his departure, Hollywood mourns with us.

While some celebs joined Dave onstage for a final, farewell Top 10 countdown, many, many others were saying their own goodbyes, onscreen and on the internet. Below, we round up the best ways that our favorite stars said #ThanksDave.