Madonna & French Montana Met Gala Turn Up ... In Ya Mouth!

5/3/2016 9:58 AM PDT
EXCLUSIVE

French Montana and Diplo got the real show AFTER the Met Gala -- courtesy of Madonna. And her mouth.

Just check out the video from inside the after-party at Up&Down nightclub.

57 and still gettin' it! This woulda been a much better show, Down Under.