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Sienna Miller and a mystery male enjoy a smoke break outside the Cow Pub in London on Monday.
The 26-year-old British actress is reportedly having relationship issues with oil heir Balthazar Getty.
A source reveals, “The couple have also had a series of rows about how much time Sienna spends socializing. While she enjoys drinking and partying, Balthazar, a former addict who stars in the TV show Brothers And Sisters, prefers a quieter life.”More Here! »