The Outer Limits S2 Ep 7 - F2F Transformations

Season 2 Episode 7 First Anniversary
Two men fall in love with and marry two women who are later revealed to be shapechanging aliens. In one scene, one alien woman (Jayne Heitmeyer) tries out the forms of different women, transforming from a blonde to a brunette, and then a black woman (Angela Moore), as she asks the other alien for her opinion of the various disguises. A strange woman approaches Dennis and claims to be Barbara, begging him to take her back. Norman doesn't recognize her, but Dennis does - whereupon he runs into traffic and is killed.