Actress Elizabeth Banks poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actor Aidan Quinn arrives as a guest at the premiere of the new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

British actress Janet Montgomery poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actor Paul Rudd poses at the premiere of his new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actor Paul Rudd poses next to his image on a film poster at the premiere of his new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Zooey Deschanel poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Olivia Munn arrives as a guest at the premiere of the new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Rashida Jones poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actor Aidan Quinn arrives as a guest at the premiere of the new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actresses Amy Poehler (R) and Aubrey Plaza arrive as guests at the premiere of the new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actresses Amy Poehler (R) and Aubrey Plaza arrive as guests at the premiere of the new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Kathryn Hahn poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Busy Phillips arrives as a guest at the premiere of the new film "Our Idiot Brother" in Hollywood, California August 16, 2011[Photo/Agencies]

Actors Zooey Deschanel (L-R), Paul Rudd, Rashida Jones and Elizabeth Banks pose at the premiere of their new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actresses Rashida Jones and Elizabeth Banks (R) pose at the premiere of their new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Elizabeth Banks and director Jesse Peretz pose at the premiere of their new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actor Paul Rudd poses at the premiere of his new film "Our Idiot Brother" next to his image on the film's poster, along with his wife Julie Yaeger as they arrive in Hollywood, California August 16, 2011.[Photo/Agencies]

Actor Paul Rudd poses at the premiere of his new film "Our Idiot Brother" with his wife Julie Yaeger as they arrive in Hollywood, California August 16, 2011.[Photo/Agencies]

Actresses Aubrey Plaza (L-R), Rashida Jones and Amy Poehler arrive at the premiere of Jones' new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Olivia Munn arrives as a guest at the premiere of the new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Zooey Deschanel poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Zooey Deschanel poses as she attempts to block the sun from her eyes at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Zooey Deschanel poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Zooey Deschanel poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Elizabeth Banks poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Elizabeth Banks poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Elizabeth Banks poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Elizabeth Banks poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

British actress Janet Montgomery poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

British actress Janet Montgomery poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Rashida Jones poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Rashida Jones poses at the premiere of her new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actress Elizabeth Banks (L) talks with her co-stars at the premiere of their new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actresses Kathryn Hahn (L-R), Zooey Deschanel, Rashida Jones and Elizabeth Banks pose at the premiere of their new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actresses (L-R) Kathryn Hahn, Zooey Deschanel, Rashida Jones, and Elizabeth Banks pose at the premiere of their new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actresses (L-R) Kathryn Hahn, Zooey Deschanel, Rashida Jones, and Elizabeth Banks pose at the premiere of their new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actresses (L-R) Rashida Jones, Elizabeth Banks, Zooey Deschanel and Kathryn Hahn pose at the premiere of their new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actors (L-R) Zooey Deschanel, Paul Rudd, Rashida Jones, and Elizabeth Banks pose at the premiere of their new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Actors (L-R) Zooey Deschanel, Paul Rudd, Rashida Jones, and Elizabeth Banks pose at the premiere of their new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]

Cast members (L-R) Kathryn Hahn, Zooey Deschanel, Paul Rudd, Rashida Jones and Elizabeth Banks pose with director Jesse Peretz at the premiere of their new film "Our Idiot Brother" in Hollywood, California August 16, 2011.[Photo/Agencies]