Sela Ward & Hugh Laurie, House
The former costars film scenes for the Fox drama's series finale. Sob.
Ryan Murphy, Matthew Morrison, Jane Lynch, Damian McGinty & Darren Criss, Glee
Things get trippy for creator and cast in the musical hit's body-swap episode. Mr. Schue, we hardly recognized you!
Elijah Wood & Jason Gann, Wilfred
These hilarious costars dance it out in Venice, Calif. We would say they are having a doggone good time, but then we'd have to live with ourselves afterward.
Stephen Moyer, True Blood
The hunky onscreen vamp looks dapper in his suit while on set in LA.
Jennifer Lopez, American Idol
The sexy singer and only female judge gets a little touch-up before stepping in front of the camera.
Eva Longoria & Vanessa Williams, Desperate Housewives
Celebrate good times! These two gorgeous costars are having fun on set while filming their final season—tear.
Lea Michele, Glee
With her onscreen graduation quickly approaching, the actress isn't wasting any time as she heads to the Los Angeles set.
Denise Richards & Charlie Sheen, Anger Management
No bad blood between ex-spouses here! Not only is Richards guest starring on Sheen's new FX show, but he's so happy about it he tweeted this photo with the caption: "Incredible day on the set of #AngerManagement! what's better than having @DENISE_RICHARDS on the set?!? Not much... xo"
Dan Stevens & Michelle Dockery, Downton Abbey
Since Lady Sybil ran off with the hot Irish chauffeur, in season three Matthew and Mary are left to tool around the English countryside on their own. How romantic!
Mark Salling, Glee
Puck has always been a hottie, but he's even hotter on a motorcyle! The actor rocks an American flag helmet while filming an action scene—what a stud.
Leighton Meester, Gossip Girl
Classic and chic—we would expect nothing less from the stylish Miss Blair!
Katharine McPhee, Smash
The brunette beauty takes a break while on set in New York, looking comfy and cute.
Ashley Greene, Americana
The Pan Am star switches from flight attendant to fashion designer on the set of her upcoming series Americana in Queens. Not what we are used to, but we are excited!
Katharine McPhee, Smash
Lights, camera, Marilyn! The fierce actress gets into character channeling Marilyn Monroe for her hit show.
Sofia Vergara, Modern Family
The sizzling star takes time to wave to fans in between takes.
Katharine McPhee, Smash
The brunette beauty is all smiles on set in NYC. Wonder if she is smiling because there is a new number that is simply smashing.
Blake Lively, Gossip Girl
Spotted: S looking fabulous in a printed scarf on the Manhattan set.
Zooey Deschanel, New Girl
Singing in the rain? We wouldn't put it past the fun-loving new gal whose character loves to dance and you guessed it—sing!
Blake Lively, Gossip Girl
Calling all GG fans—Serena is on the move and looking hot! The star is all bundled up while filming the hit show, but the cold doesn't stop her from being dressed to perfection.
Eva Longoria & Ricardo Chavira, Desperate Housewives
The ultimate housewife gets a little pick-me-up on set from her onscreen hubby. Eight seasons later and they are still the cutest couple on Wisteria Lane!
Penn Badgley, Gossip Girl
Brooklyn's resident smart and charming gossip guy takes a stroll on set with his bright and colorful umbrella. Lonely Boy looks a bit cheery, don't you think?
Maya Rudolph, Up All Night
She's a swinger! Well, not exactly, but the resident funnylady does take a little swing while shooting scenes for her new comedy.
Leighton Meester, Gossip Girl
Looks like a storm is taking over NYC. The Upper East Side's royal, Blair, gets cozy in her giant coat on the show's Manhattan set.
Zooey Deschanel, New Girl
Comedy's new gal keeps things colorful and playful while on the set of her Fox show. Isn't she just the cutest?