Sienna Miller has been targeted by vandals who have spray-painted an insult on the front wall of her London home.

The Alfie actress' west London apartment was defaced by graffiti hooligans who tagged the word "slut" onto brickwork, reports TMZ.com.

Miller was rumored to have returned to her native U.K. on Tuesday after a visit in Los Angeles.

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(This news article provided by World Entertainment News Network)