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It always helps to have rich and famous pals. As a reward for completing rehab successfully, Lindsay Lohan was gifted a necklace from friend Pascal Mouawad, the jewelry designer behind Nicole Richie's House of Harlowe line.

Lohan was spotted in Los Angeles wearing the 10-carat heart-shaped diamond Rosette necklace, which is worth an estimated $25,000.

The designer said that the gift was a pat on the back for Lohan's hard work. "Lindsay is looking great, she has a positive attitude, and we are looking forward to an amazing 2011 spending a lot of time together," Mouawad said to People.

The actress was released from the Betty Ford rehab center on January 3 after finishing her court-mandated treatment. She is due back in court on February 25. —ISHITA SINGH