Julia Roberts has laughed off rumours of a sequel to her 1990 hit movie Pretty Woman, insisting at 41 she's too old to play a prostitute.

Roberts' role as a 'hooker with a heart of gold' alongside Richard Gere catapulted her into Hollywood's A-list.

But she has no plans to return to the streets of Los Angeles, telling TV show Extra at a charity event in California on Monday night, "No one wants to see an old hooker! Do they?"

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