Topher Grace & Joe Manganiello: Ford Mustang Boss Party!
The two actors sipped on Appleton Estate Rum cocktails at the bash, which also benefited The Art of Elysium.
Also pictured: Brothers and Sisters star Matthew Rhys.
Check out Joe‘s faux public service announcement over at E! Online to help fans suffering from TBW – True Blood withdrawal.
“HBO has created TBWithdrawal.com,” he says in the video. “Makes waiting [for the new season premiere] suck a lot less.”