Claim To Fame: The doe-eyed North Carolina-native welled America’s hearts with his beatific balladry on Season Two of American Idol. (He ultimately took second-place to Southern big-boy Ruben Studdard). Aiken has since released six full-length albums, performed on Broadway and after coming out as openly gay in 2008, has become an outspoken activist for gay rights.
What To Expect: Don't let the fact that he sings like a mermaid misguide you; if preview clips are any indication, this ginger-topped crooner's got some bite behind that boyish charm. How he matches up with The Donald, however, might be a different story.