Can you spot the starlet (middle row, third from right) in this yearbook photo?
Now starring in hit TV series “Mad Men,” Christina Hendricks has left her goth years behind and blossomed into a gorgeous redhead.
With his spiked blond hair and charming grin, this youngster could easily pass for a member of the Backstreet Boys.
These days, glam rock “American Idol” alum Adam Lambert could hardly be mistaken for a member of a boy band.
Unfortunately, this future star’s hair has been diagnosed with a serious case of ’80s bouffant.
Gorgeous as ever, the “Grey’s Anatomy” star has thankfully ditched her towering bird’s nest for a sleeker ‘do.
If her recent rise to fame is any indication, this gorgeous girl had no shortage of prom dates during her high school years.
“Bachelorette” Ali Fedotowsky is single no more: She finally found love with Roberto Martinez on the hit ABC reality show.
In her senior yearbook, this teen (pictured left) wrote that her biggest dream was “to headline at Madison Square Garden.”
Stefani Germanotta (AKA Lady Gaga)
Just a few short years after high school, Stefani Germanotta dyed her hair platinum blond and transformed into international superstar Lady Gaga. And yes, she has headlined Madison Square Garden — three times, in fact!
Back in high school, this omnipresent media personality kept just as busy as he does today.
Currently, Ryan Seacrest is the host of “American Idol,” “E! News,” his radio show “On Air with Ryan Seacrest,” and the weekly “American Top 40.” Whew!
This A-list actress went from charming Tom Cruise to taking home an Oscar in 2003.
In the years since high school, Renee Zellweger seems to have kept her chic bangs, but ditched the toothy smile for her familiar pout.
We can only imagine that the sibling rivalry between this star and his famous brothers was even worse when they were teens!
Alec Baldwin has certainly maintained his lush head of hair, something his character Jack Donaghy frequently gloats about on hit comedy “30 Rock.”
This recently-married actor went from carpenter to major movie star, thanks to a helping hand from George Lucas.
Han Solo is looking good these days, likely an effect of his recent marriage to “Brothers & Sisters” star Calista Flockhart.
Too bad Guitar Hero wasn’t around when this future superstar was in high school…he definitely would have been the champ among all of his friends!
These days, John Mayer is a world-touring, Grammy-winning musician…a real Guitar Hero!
Recognize the blue-eyed star who went from “Clueless” to a funny film favorite?
Far beyond his “Clueless” days, Paul Rudd has become the go-to leading man for blockbuster comedies.