A Beyonce mural in Melbourne has been DEFACED - by angry Rihanna fans. According to local reports Rihanna fans were upset that Beyonce was given a mural and Rihanna wasn't - so they defaced it.
Look at what they did:
Some beh hive members on Twitter tweeted Rihanna, and asked her to "denounce" her fans' alleged vandalism.
If you don't know what a "stan" is, we're here to school you, with the definition from stanwars.com:
"A stan is an overzealous and overly devoted fan of a particular celebrity. The word “stan” is derived from the Eminem song of the same name.
A hater is like a stan, but a hater is overly devoted to being excessively negative and degrading to a particular celebrity."