Rihanna, Adele, Madonna: Do You Know Their Last Names? (Quiz)

09/18/2012 04:03 pm ET | Updated Sep 19, 2012

Rihanna. Adele. Madonna. Beyonce.

Sure, we're all on a first-name basis with our favorite celebrities, but can you really call yourself a diehard fan if you don't know their surname?

Find out how many of the following mono-monikered artists' last names you can identify, by taking our quiz.

Photos: Getty

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