Seamless Undies: No unsightly panty lines: Cotton seamless thongs by Commando are a must in Jessica Paster's styling kit; $20 each, at Neiman Marcus, Beverly Hills
Double-Stick Tape: Stylist Johnny Wujek avoids wardrobe malfunctions with double-stick tape; Hollywood Fashion Tape, $9, hollywoodfashionsecrets.com
Spanx: Spanx's Higher Power Briefs suck in the midsection to help create an hourglass shape ("High-waisted, low-waisted, a variety of Spanx are a must," says Cristina Ehrlich); $36, spanx.com
Nipple Guards: Stylists Leslie Fremar ("I use Nippits") and Elizabeth Saltzman keep it classy with nipple concealers like Commando's Low Beam stick-ons; $10, at Saks Fifth Avenue
Strapless, Backless Bustier Bra: Kate Young uses Cosabella's "supportive, but soft" strapless push-up bra on all of her clients. "It doesn't have a weird molded cup," she says; $125, at Neiman Marcus, Beverly Hills
TOP SPOTS FOR FASHION REPAIRS
HIGH HEELS: Progressive Shoe Shop
9418 Dayton Way, Beverly Hills
"Jack at Progressive is the best. He's made house calls for me," says Petra Flannery, who takes in Loubies and Jimmy Choos for new soles and heel tips.
DRESS ALTERATIONS & BEADING: Daniela Kurrle Couture
1003 North Fairfax Ave., West Hollywood
Skilled seamstress Daniela Kurrle re-beads evening gowns for Angelina Jolie's stylist Jen Rade; she's also Wendi and Nicole Ferreira's secret weapon for a flawless fit.
JEWELRY: Mario's Jewelers
9489 Dayton Way, Beverly Hills
"It's great if I want to change something up a little bit," says Deb Waknin, who alters necklace lengths, changes clasps and distresses finishes.
DESIGNER DRYCLEANING: Four Seasons Cleaners
8042 Santa Monica Blvd., West Hollywood
Drama-free dry-cleaning: Karla Welch takes her Gucci and Marchesa to Nancy Carter at the landmark location (opened in 1946) for cleaning and spot treatment.