This is the bizarre moment raunchy singer MC Pipokinha pulls her trousers down in a plane cockpit ahead of a commercial flight. https://vimeo.com/831847315?share=copy The 24-year-old could be seen pulling the bizarre stunt ahead of take-off and bearing much of her buttocks for the camera held by her pal. The footage shows how the pilot sitting next to her is less than impressed as he tells her: "You can't do that.…