Awwwkward… Remember guys, an Ex isn't an Ex until he moves to Texas.

Chris Brown rolled up to the Nice Guy bar last night with his new BFF Lord Scott Disick (does he still call himself that?) in CB's grey Lambo for Kylie Jenner's 19th bash.

What he probably didn't expect was seeing his ex-girlfriend Karrueche Tran there looking like Karrueche does — Fine.

Check out the clip and see Tran's reaction when asked by LMNO LA if she was happy to see her Ex.