Nicole Kidman is Nine for Nine

Nicole Kidman arrives at at Royal Opera House in Central London on Sunday carrying her daughter Sunday Rose, 2 months, in a simple sling.

The 41-year-old Aussie actress, Penelope Cruz, Fergie and Kate Hudson are all reportedly in London prepping for their upcoming film Nine.

The movie-musical will be directed by Rob Marshall (Chicago, Memoirs of a Geisha). Nine tells the story of famous film director Guido Contini (Daniel Day-Lewis), who struggles to find harmony in his professional and personal lives, as he engages in dramatic relationships with his wife, his mistress, his muse, his agent, and his mother.