In honor of Jimmy’s 50th birthday, we surprised him with an all Jimmy Kimmel edition of Mean Tweets featuring Ray Romano, Michael Keaton, Halle Berry, Anthony Anderson, Howard Stern, David Spade, Chris Hemsworth, Kristen Bell, Jon Stewart, Tracy Morgan, Amy Schumer, Liam Neeson, Larry David, Mike Tyson, Jeff Bridges, Zach Galifianakis, Kim Kardas