Rihanna Wears Pajamas To Jay-Z's Nightclub Opening

September 28th, 2012 1:00pm EDT

Rihanna Rihanna is usually known for her risque wardrobe, so we didn't expect her to wear pajamas to the grand opening of her pal Jay-Z's 40/40 nightclub in Brooklyn.

The singer wore a cream colored ensemble (slightly frayed at the sleeves) that she unbottoned to show off her stomach. She accesorized with brown heels and a gold necklace. Strange, right?

Several stars attended the club's opening, including model Tyson Beckford, hip hop star J. Cole and CEO of Recorded Music for Warner Music Group Lyor Cohen.

See more photos of Rihanna at the opening...

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