British actress Sienna Miller has opened up about becoming a mum for the first time since giving birth, insisting her "brain doesn't work" as she gets to grips with parenthood.
The Alfie star and her actor boyfriend Tom Sturridge became parents to daughter Marlowe last month (Jul12), and the pair has remained silent about the new arrival - until now.
Miller has branded her new baby girl "so cute", but admits she is struggling to adapt to the changes in her life.
In a telephone interview with, Miller says, "She's so cute. She's screaming upstairs. My brain doesn't work."