70S Couple Costumes Diy . For this batch of halloween inspiration, we're turning to angst and flannel, with a little bit of glitter mixed in for good measure. Both people should wear all white. These '70s Halloween Costumes Are Groovy Enough for the Whole Family from www.pinterest.com Dress him up in all of his camo and throw on his orange vest and toque. Twenty 90's couple costumes that pay homage to the decade. Any fans of baz luhrman’s romeo+juliet?