Lindsay Lohan TAKE ME HOME!!!

8/21/2011 6:00 AM PDT

Lindsay Lohan -- Take Me Home!!!

Lindsay Lohan looked exhausted as she left the Kim Kardashian wedding in Montecito, CA last night -- while her 48-year-old mother Dina still had plenty of energy, yukking it up in the back seat with a friend (Mel B, is that you?).

Where has the old Lindsay gone?