llohan042111_02_X17460newWM.jpgLindsay Lohan six flags boots tee shirt leggings ali lohan michael lohan jr sunglasses amusement park

Lindsay Lohan is expected at the Airport Courthouse in one hour for her preliminary hearing on grand theft charges. So how did the 24-year-old starlet clear her mind? Lilo spent Thursday afternoon with her brother Michael and little sister Ali at Magic Mountain.

She has the need for speed! We're talking about the rides, of course.

See more of Lindsay kicking back at Six Flags ... after the jump.