MILEY CYRUS has kind of a slutty reputation, but she's been with LIAM HEMSWORTH for over three years, and they're currently engaged.  Meanwhile, TAYLOR SWIFT is seen as sweet and innocent, even though she's pretty much a serial dater.  An E! Online writer pointed that out recently, and Miley appreciated it.  She said, quote, "People are idiots and call me a slut when I am engaged at 20 [because] I'm madly in love with one man.  Just happy someone admitted it."