Sienna Miller heads for the States to keep tabs on Jude Law

Sienna Miller is planning to move to America this summer to keep an eye on Jude Law. The 28-year-old actress got back together with her ex-fiancé at the end of last year and wants to be with him while he works on his new movie, Contagion, alongside French actress Marion Cotillard and Kate Winslet.Jude, 37, and Sienna are expected at the Oscars this weekend and a source says: ‘Sienna is