e/Doppelganger week

Information
has gloss	eng: Doppelganger week, the first week of February, is an internet meme whereby users of social networking websites change their profile pictures to that of celebrities with whom they share appearance traits. The meme started in 2010.
lexicalization	eng: Doppelganger week
lexicalization	eng: Doppelgänger week
instance of	e/Internet meme