WHO: Bella Heathcote
WHAT: Photographed at London's Heathrow Airport last month.
WEAR: Menswear-inspired pieces, like a tweed coat and flat loafers, will keep your outfit feeling relaxed, yet looking polished.
Get The Look Topshop Lightweight Tweet Boyfriend Coat ($150); YMC Suede Loafers ($240); Bass Wayfarer Classic Loafers ($182).
WHO: Taylor Swift
WHAT: Boarding a flight at LAX earlier this year.
WEAR: Take off in style with a combination of casual chic separates, like a striped crewneck tee, Mother's The Look Cropped Jeans ($126), and Cole Haan's Kody Oxfords ($100). Beauty note: a soft side braid will instantly add a carefree and cool vibe to your look.
Get The Look Altuzarra for J. Crew Serge Sweater ($295); American Apparel Sailor Stipe Long Sleeve Pullover ($48); AG Adriano Goldschmied Super Skinny Legging Jeans ($159); Fry Delia Lace-Up Oxfords ($153).
WHO: Chloe Moretz
WHAT: Making her way to Los Angeles early last month.
WEAR: Dolce & Gabbana leather pants and an American Retro crisp striped button-up will ensure your ensemble is event-ready the minute you land.
Get The Look Equipment Daddy Brigitte Stripe Blouse ($268); Theory Masia Stretch-Leather Skinny Pants ($835); Emily D Vegan Leather Leggings ($68).
WHO: Anne Hathaway
WHAT: At Miami International Airport early last month.
WEAR: Try a simple, fuss-free look with an oxford shirtdress and ballet flats.
Get The Look T by Alexander Wang Poplin & Pique Shirt Dress ($190); Thakoon Drape Back Shirtdress ($483); Yosi Samra Flats ($79) in Onyx; Steve Madden Brattyy Flats ($50).
WHO: Rosie Huntington-Whiteley
WHAT: En route to Sao Paulo from LAX earlier this month.
WEAR: A large structured carrier, like Huntington-Whiteley's suede Celine bag, can double as a luxurious carry-on.
Get The Look Rebecca Minkoff Michael Leather Weekender Bag ($650); Theory Denim Weekend Bag ($325); Hunter Boot Kylee Canvas Weekender Bag ($139).
WHO: Asia Argento
WHAT: Arriving at Nice Airport in France a few weeks ago.
WEAR: When it comes to airport dressing, forgo your high-rise heels for a pair of ankle-wrap wedges. They are just as sophisticated, but a much sturdier choice for that 50-yard dash to the gate.
Get The Look Oscar de la Renta Teresa Linen Espadrille Wedge Sandals ($311); D&G Ankle Tie Canvas Wedges ($187); Theodora & Callum Biarritz Printed Linen Wedge Sandals ($95).
WHO: Emma Stone
WHAT: Heading to JFK last week.
WEAR: Climate control at 27,000 feet can be tricky; a neutral, oversized scarf will shield you from the plane's chilly temperatures and is easy to store in your carry-on!
Get The Look Givenchy Chessboard Jacquard Scarf ($350); Love Quotes Linen Lurex Scarf ($90); Banana Republic Two-Tone Cotton Scarf ($49.50).
WHO: Jessica Alba
WHAT: Departing from London's Heathrow Airport three weeks ago.
WEAR: Top off your on-the-go outfit with a woven sun hat, like Alba's Tory Burch Walking Fedora ($87.50), which is perfect for concealing plane hair and pairs nicely with a white tuxedo jacket and flared jeans.
Get The Look Gucci Straw Hat ($325); Reiss Luca Hat ($105); Club Monaco Jody Straw Hat ($69.50).
WHO: Kirsten Dunst
WHAT: Spotted at Nice Airport a month ago.
WEAR: Plane Attire 101: never travel in your PJs! Instead, opt for a silky, pajama-inspired blouse, like Dunst's Louis Vuitton leopard-print top from the Resort 12 collection, for a comfortably chic alternative.
Get The Look Stella McCartney Silk Marquis Diamond Pajama Blouse ($597); Rachel Roy Pajama Shirt ($199); ASOS Pajama Jacket with Tile Print ($58).
WHO: Diane Kruger
WHAT: Leaving Nice, France last month.
WEAR: For long hauls across the globe, choose a loosely fitted dress in a comfortable fabric that won't wrinkle.
Get The Look A Detacher Daphine Denim Smock Dress ($506); French Connection Denim Panel Dress ($106).--Jessica Baker
Photos of Asia Argento, Diane Kruger, and Jessica Alba, courtesy of Getty Images; Photos of Bella Heathcote, Emma Stone, Taylor Swift, and Rosie Huntington-Whiteley, courtesy of Splash News; Photos of Anne Hathaway and Chloe Moretz, courtesy of Pacific Coast News.