The cast and crew of Showtime's Shameless hit the red carpet last night to celebrate the premiere of the show's second season at Haus in Los Angeles, Calif. 

OK! GALLERY: JASON SUDEIKIS AND MORE ATTEND THE PORTLANDIA SEASON PREMIERE PARTY 

Emmy Rossum glowed in a vintage-looking dress and sported an old-fashioned hairstyle, while William H. Macy accessorized with some arm candy — his gorgeous wife, Felicity Huffman! 

OK! NEWS: EMMY ROSSUM SHARES HER BEAUTY DOS AND DON'TS! 

Jenna Elfman and newlyweds Amy Smart and Carter Oosterhouse also hit the red carpet in style, as did Lisa Rinna and Harry Hamlin. 

Are you a fan of Shameless?