TMZ Live 8/19/13: Lindsay Lohan & Oprah -- Changing Tune on Cocaine Abuse

Lindsay Lohan copped to her booze addiction -- a big first for her -- but as for cocaine use ... she suddenly changed her story with Oprah. Do you think Lilo's being 100% honest? Are you buying that she's really changed this time? Plus, LeBron James' police escort to the Jay-Z/Justin Timberlake concert ... just because the traffic was bad??? This might be the biggest diva move we've ever seen -- and totally worth of the investigation police launched. And, P-Funk legend George Clinton has Robin Thicke's back -- he joined us to explain why "Blurred Lines" is not a rip-off of his song or Marvin Gaye's.

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