For Cosmopolitan's 20th anniversary celebration, the guests were thrown back to the decade we all loved: the '90s! But apart from the neon lights and the iconic songs, what really contributed to the theme in a major way were the guests and their OOTNs! From chokers and dark rouges to flannel shirts and combat boots, here's what everyone wore to the Cosmo birthday bash:

IMAGE Deneb Villanueva
Cosmo.ph's Jill Gatcheco

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Cosmo.ph's Jacinda Lopez

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Cosmo.ph's Patricia Dayacap

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Cosmo.ph's Retty Contreras

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Cosmo.ph's Ysa Singson

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Cosmo's Chandra Pepino

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Cosmo's Andie Estella

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Mryza Sison

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Cassie Reyes

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Yanna Cowper

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Lisette Bendicion

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Cosmo's Marla Miniano

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Gil Cuerva

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Rona Ofiana

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Andrea Torres

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Sam Pinto

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Kris Bernal

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Alodia Gosiengfiao

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Say Tioco

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Kim Cruz

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Luis Hontiveros

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Francine Prieto

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Donita Rose

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Anna Cay and Angelo Villalobos

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Loren Burgos and Cris Lomotan

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Kally Araneta

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Denise Heredia

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Rob Mananquil and Maxene Magalona

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Ana Victorino

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Pia Padre

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Janeska Sibug

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Rachel Peters

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Gabbi Garcia

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Julls Culas

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Hye Won Jang
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