Mel B -- Superhero Wannabe?

Here's former Spice Girl Mel B at an event in London Wednesday (left) -- and Princess Diana of Themyscira, aka Wonder Woman, from DC Comics (right).

One of 'em knows the real meaning of "Girl Power."

We're just sayin'!

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Mickey Rourke Is a Serial Killer?

Here's babysitter hunter Michael Myers on the movie poster for "H2" (left) -- and refurbished Oscar nom Mickey Rourke at an event last month in New York City (right).

One of them is wearing a popular Halloween mask.

We're just sayin'.

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When Carrie Met Sally

Here's Sarah Jessica Parker as Carrie Bradshaw in NYC yesterday (left) -- and "When Harry Met Sally" star Meg Ryan at some event back in 1988 (right).

Ain't no one having "Sex" with that hair.

We're just sayin'.

Madonna -- Can We Tawk?!

Here's Madonna, 51, in her new video for "Celebration" (left) -- and funny lady Joan Rivers, 76, at some event back in March (right).

The singer and the comedian still get a lot of work.

We're just sayin'.

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Lady GaGa's Lil' Inspiration

Here is Lady Gaga attempting a more solemn and demure look in Israel earlier this month (left) -- and a blonde, hooded and pancaked Lil' Kim ten years earlier in 1999 (right).

Only one of them has gone to prison ... so far.

We're just sayin'.

More Lady GaGa

Aubrey O'Day -- Sex Toy?

Here's Danity Kane/Playboy model Aubrey O'Day at an event last week in NYC ... and "Lisa," from the Real Doll collection.

One of them gained popularity by being objectified by men.

We're just sayin'!

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Alice Cooper -- Homicidal Maniac?

Here's 61-year-old rocker Alice Cooper (left) at a concert in Australia over the weekend -- and Leatherface (right) in the 1974 horror classic "The Texas Chain Saw Massacre."

One of them wears a mask of dead flesh.

We're just sayin'.

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Denis Leary -- Former Supermodel?!

Here's "Rescue Me" star Denis Leary at an event in NYC (left) -- and '70s supermodel and "American Gigolo" star Lauren Hutton at a charity event a little while back (right).

Only one was rumored to have a lesbian relationship with Julie Christie.

We're just sayin'.

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Kim Zolciak Is a 'Real' Doll

Here's "Real Housewives of Atlanta's" Kim Zolciak last night in NYC (left) -- and a Barbie at an event in March (right).

One of 'em has had fake hair since 1959.

We're just sayin'!

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LeAnn Rimes is a NeverEnding Story?

Here is LeAnn Rimes cheering on the Lakers during the 2009 Semifinals (left) -- and Falkor the mythical flying friend in The NeverEnding Story (right).

One of them is known for giving free back rides.

We're just sayin'.

More LeAnn Rimes

K-Fed Becomes Dan Conner?

Here's an unpregnant Kevin Federline at a recent event (left) -- and John Goodman on a movie set earlier this week (right).

Only one made a career out of playing a loving husband and father.

We're just sayin'.

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The Aerosmith Wears Prada

Here's Aerosmith's injured male lead singer Steven Tyler, 61, at a liquor store in Massachusetts this weekend (left) -- and Vogue mag editrix Anna Wintour, 59, at some event in NYC in June (right).

All together now: "Dude ... "

We're just sayin'.

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Britney's Weave Is for the Dog

Here's conservatorship wonder Britney Spears shopping in L.A. this week (left) -- and "Dog the Bounty Hunter" star Duane 'Dog' Chapman a little while back (right).

Maybe shaving your head on camera isn't such a bad idea.

We're just sayin'.

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Separated By a Snarl

Here's Rose McGowan at the Hollywood Foreign Press luncheon in L.A. on Tuesday (left) -- and Vanessa Hudgens at an event last year in NYC (right).

One of them was famously photographed practically naked ... with Marilyn Manson.

We're just sayin'.

Keanu Reeves -- Shrimp Boat Captain?

Here's a bearded Keanu Reeves grocery shopping in West Hollywood earlier this week (left) -- and Tom Hanks as Forrest Gump in 1994 (right).

One of them isn't the sharpest shrimp on the boat.

We're just sayin'.

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Heather Mills -- Bangin' Kate Gosselin

Heather Mills has taken something else besides Paul McCartney's millions ... Kate Gosselin's frosted, bi-level, reverse mullet raccoon weave.

Can you say "blunt cuts" ten times fast?

We're just sayin'.

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