Joseline Hernandez Attacks Big Lex Backstage During Mayweather Exhibition

'Love & Hip Hop' star, Joseline Hernandez got into an explosive fight with Zeus personality Big Lex, following the Floyd Mayweather vs. John Gotti fight. Kevin Federline is slamming a report by The Sun, that claimed he “fears” Britney Spears has been using crystal meth. Plus, Khloe Kardashian's son, Taytum Thompson, was originally a Kardashian -- but she later changed his name.  Hosts: Charlie Cotton & Derek Kaufman Sponsors: CEREBRAL Visit Cerebral.com/TMZ for 50% or more off your first month of therapy. Learn more about your ad choices. Visit megaphone.fm/adchoices