Fergie will be a "sponge" when she stars in 'Nine' alongside Penelope Cruz, Nicole Kidman and Judi Dench.
The Black Eyed Peas singer - real name Stacy Ferguson - has been cast as prostitute Saraghina in 'Nine' and says she is thrilled she will be able to observe Oscar-winning legends Daniel Day-Lewis and Marion Cotillard on set.
She said: "I'm speechless. I'm definitely going to be a sponge on set. "I want to pick up on everything that all these brilliant actors are bringing to the table.
"I'm probably going to be the quietest that I've ever been while working just because I want to watch and learn."
Fergie - who had minor roles in 'Poseidon' and 'Grindhouse' - says she is excited about the challenges starring in a musical bring, including a duet with Daniel Day-Lewis' character Guido.
She added: "Saraghina is basically a prostitute on the beach. She introduces Guido to the world of sexuality. It's a very strong song. I'm just thrilled I get to play a character. I'm singing, but I'm not singing as myself.
"I'm going to be singing as a character, and that's what's really exciting to me."
'Nine' - based on the Broadway musical of the same name - begins shooting in October.

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