Chris Brown and Karrueche Tran — Working It Out … After Nightclub Sweet-Talking Session

EXCLUSIVE

Like a cheesy holiday romantic comedy … Chris Brown and Karrueche Tran flipped their relationship back to “on” — all because of a run-in on the eve of Christmas Eve.

Sources accurate to the couple tell us Chris had been trying to reconnect with Karrueche following their nasty public break-up … but KT wasn’t having it in anticipation of Tuesday night at Playhouse.

We’re told they chatted politely inside…