Celebs’ yearbook photo flashbacks

Can you spot the starlet (middle row, third from right) in this yearbook photo?

Christina Hendricks

Christina Hendricks

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.

Adam Lambert

Adam Lambert

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.

Ellen Pompeo

Ellen Pompeo

Gorgeous as ever, the “Grey’s Anatomy” star has thankfully ditched her towering bird’s nest for a sleeker ‘do.

EXCLUSIVE: The Bachelorette Ali Fedotowsky before she was famous

If her recent rise to fame is any indication, this gorgeous girl had no shortage of prom dates during her high school years.

Ali Fedotowsky

Ali Fedotowsky

“Bachelorette” Ali Fedotowsky is single no more: She finally found love with Roberto Martinez on the hit ABC reality show.

Lady Gaga was once fresh-faced student at exclusive New York City school

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)

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.

Ryan Seacrest

Ryan Seacrest

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!