Reactions to being impersonated on Saturday Night Live have run the gamut. Find out what Martha Stewart, Miley Cyrus and more have said ahead of SNL 50: The Anniversary Special airing Feb. 16.

Santos’s big monologue didn’t come without its challengesb for The Pitt star Isa Briones, who divulged that she “kind of freaked out” after co-star and series EP Noah Wyle pointed out its significance ...