THE DAPPER 19-YEAR-OLD PAIRS BOTH HIS TAILORED SUITS AND JEANS WITH STATEMENT SHIRTS OR TEES AND BOLD SNEAKERS
"Zayn's coif can take 20 minutes if we're going high. I use a hair dryer to give all of their hair a bit of root lift." -ONE DIRECTION HAIRSTYLIST LOU TEASDALE
Jacket
H&M Suit jacket, $99; hm.com for stores
Plaid shirt
Superdry washbasket shirt, $79; superdry.com
Pants
H&M Suit pants, $59.95; hm.com for stores
"We call Zayn 'little Chris' because he's our Chris Brown, our urban boy. He can wear a suit or high-top sneakers. He's really quite versatile." -ONE DIRECTION STYLIST CAROLINE WATSON
Sneakers
Nike Air Force 1 Mid 07, $95; nike.com
Harry
THE WAVY-HAIRED HEARTTHROB GIVES HIS CASUAL LOOKS A DEBONAIR TOUCH WITH BLAZERS AND POCKET SQUARES
"Harry has fine hair, so I use dry shampoo to stop it from looking flat." -ONE DIRECTION HAIRSTYLIST LOU TEASDALE
Fitted Jacket
Zara cotton blazer with elbow patches, $99.90; zara.com
"Harry's look is prepster meets English schoolboy. And he likes Converse and skinny jeans. He's just very cool but simple." -ONE DIRECTION STYLIST CAROLINE WATSON
Skinny Jeans
TOPMAN washed gray skinny jeans, $70; topman.com
Wristbands
Kiel James Patrick bracelets, $40--$58; kieljamespatrick.com
Converse Sneakers
Chuck Taylor All Star, $50; converse.com
Dry Shampoo
Batiste Dry Shampoo in Tropical, $7.99; at drugstores
Pocket Square
Drake's silk-twill pocket square, $60; mrporter.com
Louis
TRENDSETTER LOUIS SETS OUT TO TRANSFORM SUSPENDERS AND RED-HOT SKINNY JEANS INTO MUST-HAVE WARDROBE STAPLES
"Louis has fine hair. I do a mini blow-dry on him, then mess it up with finishing product so it looks like boy hair and not too contrived." -ONE DIRECTION HAIRSTYLIST LOU TEASDALE
Surf Spray
Bumble and bumble Surf Spray, $24; bumbleandbumble.com
Leather Sneakers
Converse Chuck Taylor leather slim, $70; converse.com
"Louis is really into suspenders, stripes and his red pants. He started wearing the red pants while he was on The X Factor, and now that's become his trademark." -ONE DIRECTION STYLIST CAROLINE WATSON
Suspenders
Trafalgar Classic Rothwell stretch brace, $49.50; trafalgarstore.com
Dress Shirt
Zara shirt with piping on the pocket, $59.90; zara.com
Red Pants
TOPMAN Tango red skinny chinos, $60; topman.com
Niall
NIALL LIVES IN POLO SHIRTS, COOL CARDIGANS AND SNEAKERS, MAKING HIS BOY-NEXT-DOOR CHARM ALL THE MORE APPEALING!
"Niall has hair that we like to keep really light, so every few weeks we set aside about four hours to do highlights! Not fun!" -ONE DIRECTION HAIRSTYLIST LOU TEASDALE
Polo Shirt
American Eagle Outfitters Athletic fit piqué polo, $24.50; ae.com
Cardigan
Cotton-cashmere cardigan, $49.90; uniqlo.com
"Niall is like Mr. America because he loves his polos and Ralph Lauren cardigans. He's got a little flavor-I think there's some Justin Bieber in him." -ONE DIRECTION STYLIST CAROLINE WATSON
Jeans
GAP 1969 Slouchy Slim Fit denim, $69.95; gap.com
High-Top Sneakers
Supra leather "Vaider" sneakers, $110; suprafootwear.com
Liam
LAID-BACK LIAM LIKES TO DRESS UP HIS CASUAL LOOKS WITH SNAPPY VESTS, HIP POCKET SQUARES AND HIS FAVORITE BUTTON-DOWN SHIRTS
"Liam has very coarse hair, so I use serum to tame it." -ONE DIRECTION HAIRSTYLIST LOU TEASDALE
Hair Serum
Bumble and bumble defrizz, $26; bumbleandbumble.com
Vest
Cotton sateen suit vest, $79.90; express.com
Pocket Square
Jack Wills Isherwood pocket square, $29.50; jackwills.com
Sneakers
Converse Chuck Taylor All Star, $50; converse.com
Button-Down Shirt
1MX Classic fit stretch-cotton shirt, $59.90; express.com
"Liam is cool in plaid shirts, but they have to be fitted. Depending on his mood, sometimes he switches things up with a vest." -ONE DIRECTION STYLIST CAROLINE WATSON
Fitted Pants
Cotton sateen suit pants, $79.90; express.com












