Designer Pronunciation Guide

Abaeté: Ah-bye-ah-tay
Alejandro Ingelmo: Allay-handro In-gel-mo
Andrew Gn: Andrew Jen (rhymes with “pen”)
Andy Thê-Anh: An-dee Tay-Ann
Anya Hindmarch: Ahn-ya Heind-march
Arthur Mendonça: Ar-thur Men-doe-sa
Badgley Mischka: Badge-lee Meesh-ka
Bebe: Bee-bee
Bottega Veneta: Bo-tega Ven-e-ta
Bulgari: Ball-gah-ree
Burberry Prorsum: Bur-bur-ree Pror-some
Carolina Herrera: Caro-leena Hair-era
Cesare Paciotti: Che-sah-ray Pah-cho-tee
Chaiken: Chay-ken
Charriol: Sha-ree-ol
Christian Louboutin: Loo-boo-tin (“tin” rhymes with the French word “vin”)
Dries Van Noten: Drees Van Know-ten
Ermenegildo Zegna: Er-men-a-geel-do Zen-ya
Gareth Pugh: Gareth Pew
Giles Deacon: Jy-els Dee-kin
Givenchy: Jhee-von-shee
Giambattista Valli: Gee-ahm-battista Valley
Hedi Slimane: Eddy Sli-mahn
Hermès: Air-mez
Hervé Léger: Air-vay Lay-jay
Joeffer Caoc: Joe-fur Kay-ock
Junya Watanabe: Joon-ya Wah-tah-nah-bay
Lanvin: Lon-vin(“vin” also rhymes with the French word for “wine”)
Loewe: Low-ev-ay
Louis Vuitton: Loo-ee Voo-ee-ton
Madame Gres: Madame Gray
Marchesa: Mar-kay-sa
Mainbocher: Maynbo-shay
Moschino: Mo-ski-no
Monique Lhullier: Mo-neek Loo-lee-ay
Narciso Rodriguez: Nar-siss-so Ro-dree-gez
Nicolas Ghesquière: Ni-co-la Guess-ki-air
Olivier Theyskens: Oli-vier Tay-skins
Pierre Cardin: Pee-air Car-dain
Proenza Schouler: Pro-enza Skool-er
Ralph Lauren: Ralph Lauren (as in Lauren the girl’s name, not Sophia Loren)
Rei Kawakubo: Ray Kah-wah-koo-bo
Rodarte: Ro-dart-tay
6267: Six-two-six-seven (not Sixty-two-sixty-seven)
Sonia Rykiel: Sonia Ree-kee-eel
Sophia Kokosalaki: So-fee-a Ko-ko-sah-lah-kee
Thakoon: Ta-koon
Thierry Mugler: Tee-air-ree Moog-lay
Tibi: Tbi (not Tee-bee)
Tocca: Toe-ka
Vionnet: Vee-oh-nay
Yohji Yamamoto: Yo-jee Ya-ma-mo-to

Courtesy of The Blay Report.
You're welcome.