1 of 27
No, she’s not being arrested by the fashion police! The star goes undercover in a long black wig with heavy bangs and a dusty overcoat.
2 of 27
The actress stays cozy in shades of beige on the N.Y.C. set of The Extra Man, set to hit theaters next year.
3 of 27
SARAH JESSICA PARKER
The actress flaunts her figure in a fitted L’Wren Scott peacock blue sheath and sexy stilettos as she films Did You Hear About the Morgans? in N.Y.C.
4 of 27
The Gossip Girl star is perfectly downtown cool as Serena van der Woodsen in her skinny jeans, luxe tote and leather jacket.
5 of 27
The Ugly Betty star sticks to her tried-and-true pattern and color mix as she films in downtown Manhattan.
6 of 27
What, no purple? The Gossip Girl star gets into character as Chuck Bass in his perfectly preppy blue blazer and slacks.
7 of 27
Westwick’s costar – and real-life roommate – cleans up in a sleek pinstriped suit as he films in N.Y.C.
8 of 27
COURTENEY COX ARQUETTE
The actress finds a new home in Cougar Town in her figure-skimming Diane von Furstenberg striped dress.
9 of 27
JOSH DUHAMEL AND KRISTEN BELL
The actors may be fighting but their black outfits match perfectly as they film When in Rome on the streets of New York City.
10 of 27
Looks like Little J has some extra edge! The Gossip Girl actress is pretty in punk with her leather jacket and fishnets as she films in Manhattan.
11 of 27
The former Girl Next Door gets into the swim of things as she films her new Travel Channel show, Bridget’s Sexiest Beaches, in a barely-there monokini.
12 of 27
The star matches her baby blue eyes to her tie-dye scarf – and the flowers behind her – as she films a scene in New York’s Central Park for the upcoming The Baster.
13 of 27
The actress shows off a shorter curly do on the set of Five Killers.
14 of 27
Heigl’s costar may look handsome in his black button-down and jeans, but what happened to his arm?
15 of 27
RYAN GOSLING AND MICHELLE WILLIAMS
The actors coordinate in red as they shoot a scene on the Queens, N.Y., set of Blue Valentine.
16 of 27
MINKA KELLY & LEIGHTON MEESTER
Where’s Serena? A romper-clad Meester takes a break from Gossip Girl to film The Roommate with Friday Night Lights star Kelly.
17 of 27
No glamour role here – the actress is almost unrecognizable in her dressed-down outfit and glasses as she films Hesher in Los Angeles.
18 of 27
The newlywed returns to her day job, shooting Grown Ups in a sleek black dress and glamorous black straw hat in Massachusetts.
19 of 27
JENNIFER ANISTON AND JASON BATEMAN
What’s so funny? The actors get the giggles as they film in sharp coats and slim jeans in New York’s Meatpacking district.
20 of 27
The actress slips into a Russian-style hat and fur-trimmed cape as she films Salt in N.Y.C.
21 of 27
SARAH JESSICA PARKER
The actress gets caught in a rain storm – but it doesn’t seem to be getting her down! – as she films Did You Hear About the Morgans? in Manhattan.
22 of 27
ROBERT PATTINSON AND KRISTEN STEWART
Bella and Edward are back together again! The Twilight stars keep it casual while filming New Moon in Toronto.
23 of 27
And sometimes being stylish requires wearing almost nothing at all! The buff actor hits the cliffs in St. Bart’s in black swim trunks and scuba shoes.
24 of 27
The actor suits up for his latest role as a clean-cut cop as he films Main Street in North Carolina.
25 of 27
The actress blends in to her Brooklyn surroundings in her flared jeans and easy plaid coat while filming Fair Game.
26 of 27
The actor is dapper, down to his gold-edged sunglasses, as he sneaks a peek out of his vintage car window while filming The Rum Diary in Puerto Rico.
27 of 27
LEIGHTON MEESTER AND BLAKE LIVELY
And what does Gossip Girl have to say? The show’s stars huddle over a cellphone while filming their prom episode in glamorous gowns and warm coats.
InStyle Awards 2017: See All the Hottest Celebrity Looks