Can you guess which glamorous pop vixen is posing in this yearbook photo? It might be a grainy throwback image, but this high school student is definitely still recognizable.

Even though her lips look a bit fuller nowadays (despite her claims that she has never had them enhanced), this pouty singer -- who sometimes plays dress up as Jackie O. -- looks pretty much the same as she did during her high school days in Lake Placid, N.Y. Apparently, she was working on perfecting her breathy vocals since a young age, since she was a member of the choir for most of her teen years... too bad her school never offered 'SNL' performance prep classes.

Have you figured out who this foxy singer is yet? Click through to find out!