TV show 'True Blood' premiere

Cast member Janina Gavankar poses at the premiere for the fourth season of the popular TV series 'True Blood' in Los Angeles on June 21, 2011. (Reuters/Mario Anzuoni)

Cast member Ryan Kwanten poses at the premiere for the fourth season of the HBO television series 'True Blood' at the Cinerama Dome in Hollywood, California on June 21, 2011. The fourth season debuts on June 26. (Reuters/Mario Anzuoni)

Cast member Anna Paquin poses at the premiere for the fourth season of the popular TV show 'True Blood' in Los Angeles on June 21, 2011. (Reuters/Mario Anzuoni)

Cast members Stephen Moyer and Anna Paquin arrive at the premiere for the fourth season of the popular TV show 'True Blood' in Los Angeles on June 21, 2011. (AP/Matt Sayles)

Cast member Carrie Preston and Michael Emerson arrive at the premiere for the fourth season of the popular TV show 'True Blood' in Los Angeles on June 21, 2011. (AP/Matt Sayles)

Cast member Kristin Bauer poses at the premiere for the fourth season of the popular TV show 'True Blood' in Los Angeles on June 21, 2011. (Reuters/Mario Anzuoni)

Cast member Evan Rachel Wood poses at the premiere for the fourth season of the popular TV show 'True Blood' in Los Angeles on June 21, 2011. (Reuters/Mario Anzuoni)

Cast member Deborah Ann Woll poses at the premiere for the fourth season of the popular TV show 'True Blood' in Los Angeles on June 21, 2011. (Reuters/Mario Anzuoni)

Creator Alan Ball arrives at the premiere for the fourth season of 'True Blood' in Los Angeles on June 21, 2011. (AP/Matt Sayles)

Cast member Joe Manganiello arrives at the premiere for the fourth season of 'True Blood' in Los Angeles on June 21, 2011. (AP/Matt Sayles)

Sam Trammell and Missy Yager arrive for the premiere of HBO's 'True Blood' Season 4 held at the Arclight Cinerama Dome in Los Angeles, California on June 21, 2011. (AFP/Toby Canham)

Cast member Janina Gavankar poses at the premiere for the fourth season of the popular TV show 'True Blood' in Los Angeles on June 21, 2011. (Reuters/Mario Anzuoni)

Cast member Carrie Preston poses at the premiere for the fourth season of the popular TV show 'True Blood' in Los Angeles on June 21, 2011. (Reuters/Mario Anzuoni)

Cast member Nelsan Ellis poses at the premiere for the fourth season of the HBO television series 'True Blood' at the Cinerama Dome in Hollywood, California June 21, 2011. The fourth season debuts on June 26. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) (Reuters/Mario Anzuoni)

Creator Alan Ball arrives at the premiere for the fourth season of 'True Blood' in Los Angeles on June 21, 2011. (AP/Matt Sayles)

Cast member Evan Rachel Wood arrives at the premiere for the fourth season of 'True Blood' in Los Angeles, Tuesday, June 21, 2011. (AP/Matt Sayles)

Author Charlaine Harris arrives at the premiere for the fourth season of 'True Blood' in Los Angeles, Tuesday, June 21, 2011. (AP/Matt Sayles)

Alexander Sarsgard arrives for the premiere of HBO's 'True Blood' held at the Arclight Cinerama Dome in Los Angeles, California on June 21, 2011. (AFP/Toby Canham)