Comedy Queens Kristen Wiig, Melissa McCarthy Summon ‘Ghost Of Giggles Past!’

Who ya gonna call?? It was long-distance beyond the grave when funnygals Melissa McCarthy and Kristen Wiig – backstage at Boston’s spooky, 90-year-old Wang Theater between takes of their new “Ghostbusters” movie – started fooling around with a prop used in the flick … a OUIJA BOARD!

(Uh, oh!) Said My On-set Spy: “The girls were playing with the board by candlelight, and when they asked if anyone in the Great Beyond wished to speak to them, it began spelling out, ‘J-o-h-n B-e-l-u-s-h-I …!’ Shrieking, the girls ran to rejoin the crew, swearing they’d heard footsteps and laughter – then spotted a spooky figure resembling the late, great comic actor! But Melissa and Kristen really got creeped out when told that Belushi had signed to play the lead in the original ‘Ghostbusters’ just before he’d tragically died – and reports say he’d actually showed up to haunt the set back then!”