100% Legal - Lindsay is 21

Lindsay was given a break from her stint at L.A. rehab center Promises to celebrate her 21st birthday. Lindsay was seen at a Malibu home this week in a skimpy bikini celebrating.

Paparazzi were on the beach taking photos of the party. Lindsay was seen taking photos of mom Dina, little sisters Ali, Dakota which flew out from New York to party with Lohan. She even took photos of the paparazzi. She is even reported by People to have ordered 5 pizzas that her bodyguard walked out to them the photographers.

At around 2:15 she was on her way back to Promises to continue her extended stay at the rehab facility.

It is reported that the party was alcohol free. She orginally had plans to party in Vegas at hip club PURE that was sponsored by a Vodka company. Due to her rehab this party was canceled.

There are now rumors coming out that there was cocain involved in her recent DUI back during the Memorial Day weekend. We will keep you informed as more becomes available.