Robin Thicke I Haven't Seen Paula in Four Months!

7/2/2014 9:30 AM PDT

Robin Thicke Hasn't Seen Paula Patton in Four Months! (VIDEO)

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All of Robin Thicke's on-stage begging and pleading hasn't worked ... because he says he hasn't seen his estranged wife Paula Patton in FOUR MONTHS!!!

Thicke -- who's made very public apologies at the Billboard Music Awards and the BET Awards -- was on "EBRO in the Morning" Tuesday on HOT 97 ... when he said he's been persona non grata with Paula for months now.

But sources connected to the ex-couple tell us that's not entirely true -- he and Paula have literally seen each other several times ... particularly when they hand off their son for visits. 

So, maybe Robin's just looking for more sympathy -- but at the same time he admits Paula hasn't even heard most of his new album (which bears her name).

Sounds like it's time for a new approach.