Olivia Munn accidentally flashes a nipple beneath crochet top as she goes bra-less on night out

She may have thought she was opting for a more demure look by wearing a baggy jumper.

Olivia Munn opens up about John Mulaney, pregnancy, more - Los Angeles Times

Olivia Munn Is Braless In A Black Crop Top! Nip-Slip Waiting To Happen!! - Perez Hilton

Olivia Munn Practically Topless in Plunging Gown Amid Rodgers Family Feud

Olivia Munn's Wardrobe Malfunction: Flashes Thong In See-Through Dress – Hollywood Life

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Olivia Munn Flashes Her Abs in Cropped Hoodie With Gold Heels on 'Predator' Movie Set

Olivia Munn covers up in demure cream dress as she goes for the ladylike look at Television Academy Honors

Olivia Munn flashes cleavage in orange cropped jacket and mini skirt