Lindsay Lohan is completing her first full day of court ordered community service at the Los Angeles County morgue, and bought lunch for the entire staff from In-N-Out, RadarOnline.com is exclusively reporting.

Lohan showed up 40 minutes late for her first day of orientation Thursday, and wasn't allowed in the building because of her tardiness.

Lilo arrived Friday morning at 5:30 a.m., and was let in the building shortly before 7 a.m.