Actress Leelee Sobieski is set to marry her boyfriend Adam Kimmel, according to U.S. reports.

The 26-year-old was spotted sporting a gem on her ring finger at the Los Angeles premiere of her latest film Public Enemies on June 23rd, sparking reports she was set to wed the menswear designer.

A friend of the couple confirms to Usmagazine.com they have taken their relationship to the next level.

A spokesperson for Sobieski had no comment as WENN went to press.

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(This news article provided by World Entertainment News Network)