Actress Olivia Munn stepped out on May 3 wearing a knit beige crochet sweater and was unaware that photos taken of her from paparazzi would reveal she was bra-less.

The HBO Newsroom star was leaving the Chateau Marmont hotel in Hollywood and her open-weaved top proved to be more sexy than she assumed it would be. The paparazzi's camera lights flashed and revealed a nip slip, while Munn was completely unaware of her wardrobe malfunction and smiled for the cameras. The 32-year-old paired her open-weave top with a leather shorts, bright pink lipstick and hi-heeled boots.

See photos of Munn's nip slip here

Munn was seen topless last year but in the film Magic Mike, which she starred in alongside Channing Tatum.

Munn, who is half-Chinese, was born in Oklahoma and raised in Japan. She currently plays a news reporter on HBO's The Newsroom with Aaron Sorkin. Her previous television stints include serving as a correspondent on The Daily Show with Jon Stewart and the gamer TV series Attack of the Show!

She appeared in People magazine's annual Beautiful People issue without wearing any makeup. She shared her gratitude on Twitter about her appearance in last month's issue.

"Thank you @PeopleMag for including me in your Beautiful People issue. Loved doing no-makeup- made it a quick shoot.:)," she wrote on the social media site.

Munn recently stunned on the red carpet when she attended th Time 100 Gala in New York City on April 23. She wore a strapless yellow lace gown by fashion designer Michael Kors, who was also her date for the evening.

Munn is currently dating The Killings actor Joel Kinnaman.

Season 2 of The Newsroom will premiere on HBO on July 14.

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