See The Big Bang Theory Stars Go From Geek To Glam

They clean up well!

Over the years, TV's #1 geek squad has posed for Watch!, and the fabulous photos don't disappoint.

Here's a look at The Big Bang Theory cast members Jim Parsons, Kaley Cuoco, Johnny Galecki, Mayim Bialik, Melissa Rauch, Kunal Nayyar, and Simon Helberg dolled up like you've never seen them before!

Photography by Mark Mann.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Gal pals

Melissa Rauch makes the best pal. We love how Big Bang beauties Mayim Bialik and Melissa are close in real life!

Photography by Cliff Lipson.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Try not to stair

Hollywood vet Johnny Galecki makes laying on the floor look so cool.

Photography by Mark Mann.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Lots of laughs

Something tickles Johnny Galecki's funny bone on set of this glamorous photo shoot.

Photography by Mark Mann.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Pucker up!

Simon Helberg practices his best duck face on set.

Photography by Mark Mann.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Who, me?

This happy photo of Jim Parsons gets us grinning every time.

Photography by Art Streiber.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Bialik in black

Mayim Bialik looks stunning in Jerusalem's picturesque Yemin Moshe neighborhood.

Photography by Gilles-Marie Zimmermann.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Move over for Kaley Cuoco's haute wheels

Don't you wish The Big Bang Theory star would show up as your next Uber driver?

Photography by Patrick Demarchelier.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Blonde ambition

Leading lady Kaley Cuoco knows how to strike a sexy pose.

Photography by Patrick Demarchelier.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Car trouble

Jim Parsons makes the crew laugh during a hilarious car-themed shoot.

Photography by Art Streiber.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Traffic stopper

Johnny Galecki takes a seat in the middle of a busy London street.

Photography by Keiron O'Connor.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Bright eyes

Melissa Rauch sparkles in any setting.

Photography by Cliff Lipson.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Glowing gal

Kaley Cuoco radiates during a photo shoot in the British countryside.

Photography by Jeff Lipsky.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Très magnifique

Mayim Bialik rocks a vintage suit in Paris.

Photography by Gilles-Marie Zimmermann.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Johnny's got your back

Johnny Galecki poses for a quirky photo with a handsome British gent.

Photography by Keiron O'Connor.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

My fair lady

Kaley Cuoco goes from girl next door to sophisticated southern belle.

Photography by Jeff Lipsky.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

How you doing?

Working the camera is just another one of Jim Parsons' many talents.

Photography by Mark Mann.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Kaley doesn't let luggage weigh her down

Kaley Cuoco has impeccable travel style.

Photography by Jeff Lipsky.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Now that's one suave scientist

Simon Helberg shows off his sleeker side.

Photography by Mark Mann.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Roll out the royal welcome

Johnny Galecki and friends pull up in high style to Mandarin Oriental's Royal Entrance in London, which is reserved for Queen Elizabeth.

Photography by Keiron O'Connor.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Don't box her in

The terrace at the Hôtel Le Bristol makes a great photo op for Miss Mayim Bialik.

Photography by Gilles-Marie Zimmermann.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Rain or shine

Jim Parsons knows how to look good no matter the weather.

Photography by Mark Mann.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

First class all the way

Ice cream, roller skates, and magazine shoots with Kaley Cuoco at 10,000 feet? Yes, please!

Photography by Jeff Lipsky.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Gate check

Kaley Cuoco makes waiting for a flight look fabulous.

Photography by Jeff Lipsky.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.

Tribble threat

Trekkie pinup girl Mayim Bialik channels Star Trek's Yeoman Janice Rand.

Photography by Christopher Ross.

Watch The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.