We are couple: Charlize Theron and Sean Penn

Charlize Theron and Sean Penn arrive for the world premiere of Universal Pictures "A Million Ways To Die In The West," at the Regency Village Theatre. (AFP)

Charlize Theron and Sean Penn (AFP)

Charlize Theron (AFP/GETTY)

Seth MacFarlane and Charlize Theron (AFP/GETTY)

Amanda Seyfried, Sarah Silverman and Charlize Theron (AFP/GETTY)

Charlize Theron (AFP/GETTY)

Amanda Seyfried attends the world premiere of Universal Pictures "A Million Ways To Die In The West" (AFP/GETTY)

Sarah Silverman and Michael Sheen (AFP/GETTY)

Chairman Jeff Shell, producer Scott Stuber, Charlize Theron, Sean Penn and NBCUniversal Vice Chairman Ron Meyer (AFP/GETTY)