Lindsay Lohan, who completed a 90 day rehab stint on Tuesday (July 30), has reportedly been making jokes about her time spent in California's Cliffside Malibu Rehab Center while filming her guest host spot on US chat show Oprah Winfrey, which will be shown on August 18.

[uuid=e0320f6a-a794-4aa9-b71d-0e6e345272b0]SEE MORE PICS OF LILO HERE![/uuid]