Celebrities Who Resemble Each Other

Do you think that these celebrities resemble each other?I haven't seen anyone compare them before and I think they look a little similar.Josh Duhamel and Johnny KnoxvilleActress Erika Christensen and Miley CyrusDanish babe Helena Christensen and Cameron DiazCourteney Cox Arquette and singer Nelly FurtadoAmanda Seyfried and Amanda DetmerParis Hilton shares similar features with a certain Sesame