Showbiz
According to People magazine, the 27-year-old actress was seen wearing a diamond on her ring finger at the premiere of Public Enemies in Los Angeles last month.
The Joan Of Arc star's reps recently confirmed the announcement, but did not release any further details on the engagement.
Sobieski, who has modelled for Kimmel's upcoming autumn/winter collection, also recently completed production on the drama The Mad Cow.
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