Sienna Miller admits she lacks 'box office credibility'

London (ANI): Brit actress Sienna Miller has admitted that she lacks “box office credibility". The 27-year-old actress has made a number of flops including Factory Girl and Interview.

“If you want to make amazing, artistic films you"ve got to have some sort of box office credibility, which I don"t," the Daily Star quoted her as telling Nylon magazine. Meanwhile, Miller recently revealed that the costume she had to wear for 'G.I. Joe – The Rise Of Cobra" often left her smelling like a “dead cow".