Lindsay Lohan, Amanda Seyfried, Lacey Chabert and Rachel McAdams in the classic teen movie Mean GirlsIf you’ve already watched Netflix’s hit festive movie Hot Frosty, you’re probably aware that the lead character is played by Mean Girls star Lacey Chabert.But you might have missed that the film ends with a nod to the hit 2004 teen movie.Hot Frosty began streaming last week, telling the story of a young widow whose life is turned upside down when she inadvertently brings a snowman to life with the aid of a magic scarf, only to find herself falling in love with him.Despite the rather ridiculous premise, the film briefly held a 100% rating on the reviews site Rotten Tomatoes (which has since fall