WATCH: What Was Lindsay Lohan REALLY Like In Rehab? Her Friend Tells All... (VIDEO)

Lindsay Lohan has emerged from rehab, looking distinctly brighter-eyed and bushier-tailed than we've seen her in recent times.

But how did the world-class diva really spend her time inside the walls of her court-imposed sojourn, and has it done the troubled actress any good?

WATCH ABOVE: Lindsay's friend Tommy Tracy, who was in rehab with her, spills the beans on their recent stay...