'I'm not perfect y'all!' Miley Cyrus pokes fun at herself on Saturday Night Live... and Lindsay Lohan and Justin Bieber

By ANDREA MAGRATH Doppelgänger: Miley Cyrus parodied Justin Bieber for a skit on comedy show Saturday Night Live She's certainly no stranger to controversy, but that didn't stop Miley Cyrus from poking fun at a host of other celebrities currently dominating the headlines.The former Disney queen hosted famed comedy sketch show Saturday Night Live last night, and drew laughs as she parodied