03/03/2014 12:23 pm ET Updated Mar 03, 2014

Paula Patton -- Robin Thicke Won't Get Me Back By Crying

Pascal Le Segretain via Getty Images

Robin Thicke can cry all he wants on stage about his love for Paula Patton ... but it's not going to change her mind about leaving him ... sources tell TMZ. For that ... he has to do something else.

Sources connected with the couple tell us ... Paula is unimpressed with Robin telling both TMZ and thousands of concertgoers he's trying to win her back.

Read more on www.tmz.com