Sienna Miller has been spotted "snuggling up" to a folk musician. The "Factory Girl" star has sparked rumors she is dating upcoming star Marcus Foster after she watched him perform at a charity show in East London.
A source said: "Sienna was in really high spirits. She had quite a lot to drink and was laughing and joking with pals as she cheered on Marcus during his set."
"When he finished playing the pair were snuggling up to each other and posing for pictures."
The blonde beauty was joined by friends at The George Tavern in Shadwell, to support Marcus as he headlined the show in aid of The Teenage Cancer Trust.
The 27-year-old actress recently sparked speculation she was romantically involved with "30 Days Of Night" star Josh Hartnett.
Sienna was distraught after hearing the actor had been hospitalized with gastrointestinal problems and reportedly flew from Miami to Los Angeles to see him.
Sienna most recently dated actor Balthazar Getty - whom she was linked with last year while he was still married - but the couple have not been spotted together for several weeks.
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