Kat Graham
Hard Rock Hotel's Sound of Your Stay Music Lounge Concert
Bruce Springsteen & Steven Van Zandt
ACL Live Concert
Lisa Kudrow
Showtime Web Originals: Television's New Guinea Pigs panel
Channing Tatum
21 Jump Street premiere
Dave Franco
21 Jump Street premiere
Channing Tatum & Jonah Hill
21 Jump Street Q&A
Jay-Z
Amex Sync Show
Mark Wahlberg
A Conversation with Seth MacFarlane panel
Sheryl Crow
$ellebrity premiere
Lukas Haas, Leonardo DiCaprio, Kevin Connolly & Tobey Maguire
The J. Edgar star and his posse jet in to party at the Mobli 2.0 bash during the South by Southwest festival in Austin.
Click through the rest of the gallery to see which other stars popped over to the Lone Star State for the annual film, music and interactive (and party!) spectacular.
Matthew McConaughey & Camila Alves
Killer Joe premiere
Matthew McConaughey & Gina Gershon
Killer Joe premiere
Rainn Wilson
The View From Inside Rainn Wilson's Brainstem talk
Gabrielle Union
In Our Nature premiere
Minnie Driver
Hunky Dory premiere
Joss Whedon
A Conversation with Joss Whedon panel
Johnny Knoxville
Nature Calls premiere
Michelle Witten, Matthew Lillard, Noah Rosenthal
Fat Kid Rules the World premiere
Colin Trevorrow, Aubrey Plaza, Jake Johnson
Safety Not Guaranteed premiere