Lala Kent Calls Mauricio Umansky A 'Loser,' Says She's Not A Liar

Lala Kent and Mauricio Umansky are in a heated war of words all over a cup of coffee ... and it just got kicked up to another level. "The Valley" newbie just ripped the 'Real Housewives of Beverly Hills' star on her podcast "Untraditionally Lala,"…

By TMZ Staff