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!
Why so shy, RiRi? Even with half of her face covered up in a hoodie, Rihanna's piercing eyes and eyebrows still shone through in this selfie, which the "Diamonds" singer posted to her Twitter account in August 2013 with the simple caption: "She."