[WATCH] Lindsay Lohan's House Arrest Rooftop Party

Lindsay Lohan threw a rooftop barbecue party for 10 friends at her Venice, California, townhouse on Sunday, June 12, day 18 of her house arrest. According to the OK, the Mean Girls actress was spotted over the weekend enjoying a low-key BBQ party with a few close pals on the roof of her $1.4 million rented home in Venice Beach.

LiLo's house arrest is part of the star’s sentence following a probation violation tied to the alleged swiping of a $2,500 necklace from a Venice, Calif. jewelry store.

Lindsay was sentenced to 120 days in jail and 480 days of community service for violating the terms of her probation in a 2007 DUI case, after she was booked for stealing a $2,500 necklace.

According to TMZ, LiLo is only expected to serve another two and a half weeks on house lockdown before being free to continue forth with her 800 hours of community service.