CALL OF DUTY MW2 (HELP)?

I BOUGHT CALL OF DUTY MW2 A FEW MONTHS BACK AND I NEED HELP TO GET ALL 69 STARS IN THE SPECIAL OPS. I NEED SOMEONE TO HELP ME TO GET ONE STAR BECAUSE I HAVE 68 STARS RIGHT NOW AND I NEED 2 PLAYER'S TO PLAY THIS SPECIAL OPS. IT WONT TAKE THAT LONG I PROMISE I JUST WANT MY FIRST PLATINUM TROPHY FOR MY PS3 SO CAN SOMEBODY PLEASE HELP ME ...PLEASE LEAVE OR EMIAL ME YOUR PSN ID SCREEN NAME...MINE IS REGULATOR_18