Celebs are the masters of self-promotion, and nothing says "look at me!" more than a selfie. Check out some memorable Hollywood selfies, courtesy of the likes of Nicki Minaj, Jenelle Evans, Justin Bieber, Rihanna, and, of course, a few Kardashians!
Talk about awkward! The Commander-in-Chief made an obvious photo faux pas and landed in hot water with his wife Michelle after he snapped this selfie alongside Helle Thoming-Schmidt, the Danish Prime Minister, during a somber moment at Nelson Mandela's memorial service.
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