Beauty Watch: Halloween!

UPDATED 11/02/2009 at 01:00 AM EST • Originally published 11/02/2009 at 01:00 AM EST

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People.com

LADY GAGA

"Get a blonde wig with a frizzy texture," says hairstylist and beauty expert Mark Garrison. "Cut a bang that's a little longer on the sides and shorter in the middle." Add baby-pink lipstick, and "don't forget to line it—this is all about the lips and hair."

Fashion runway wig, $16.95

Funky sunglasses

Pink lipstick

RIHANNA

A pompadour wig with the sides bobby-pinned back will achieve this "rockabilly look," says Garrison. Adds Sephora PRO Emily Massa: "It's all about the eyeliner—go really thin on the inner corner, thick on the outer corner." Finish with classic red lipstick.

Dreamgirls wig, $17.95

Pearls

Black eyeliner

KATY PERRY

Dramatic false eyelashes and matte red lips are key for Perry's '50s-inspired style, says Massa. For the lips, "apply lipstick with a brush and don't use a liner; use powder to keep it in place." A dark, flippy wig completes the look.

Red lipstick

False eyelashes

Flapper wig, $11.95; all wigs available at costumekingdom.com

STYLIST SECRET DRY SHAMPOO

One unexpected product behind Jennifer Aniston's lovely locks? Dry shampoo, which "freshens" and "creates texture" in hair, says the star's hairstylist Chris McMillan. To use, "start off light on the roots and add as needed" until you get the desired look. His faves? René Furterer Naturia dry shampoo ($24) and Klorane Gentle dry shampoo with oat milk ($18), available on beauty.com.