FIRST PIC: Lindsay Lohan All Smiles on First Day of House Arrest (PHOTO)

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Lindsay Lohan looks pretty happy despite the fact that she is currently a prisoner in her own home.

The troubled star looked smiley and relaxed when paparazzi caught a snap of the young star greeting a visitor to her Venice Beach home on the first day of her house arrest. LiLo was sentenced to 120 days of home detention as part of her plea deal for stealing a $2,500 necklace earlier this year. Despite the long sentence, the actress is only expected to serve 35 days under house arrest due to budget constrictions.

Lindsay turned herself in for her house arrest sentence at the Lynwood Jail at 5:02 a.m. on Thursday, May 26. She spent about an hour at the jail where she was fitted with an electronic monitoring bracelet. After getting booked, Lindsay was taken to her Venice Beach home where she will serve out her home arrest sentence.

Lindsay was also sentenced to 480 hours of community service, which she is expected to serve out at the L.A. County morgue.

Before she turned herself in for her house arrest, Lindsay flew to Miami with a group of friends to take part in a photo shoot for a local magazine. Check out photos of Lindsay frolicking on the beach with her pals below.

This isn’t Lindsay’s first taste of life as a prisoner – she had previously served out two jail sentences in connection with a 2007 DUI. The actress’ longest stint in jail was in 2010 when she served 12 days at the Lynwood Jail for violating her probation.

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