Lindsay's 'Tonight Show' Standing O

Lindsay Lohan won the hearts and minds of 500 people Tuesday ... albeit not a jury of her peers -- thanks to a heartfelt mea culpa on Jay Leno's "The Tonight Show."



Lindsay got a standing ovation shortly before admitting no one but herself is to blame for the predicament that triggered a 120 day jail sentence.

After about 5 minutes, Jay and Lindsay did a bit of full disclosure ... revealing they have something -- actually someone -- in common