Rihanna stuns in a pink check suit.

Rihanna kept it chic and conservative, in a fitted pink and white checked jacket and matching pencil skirt, with a high slit up the front, as she attended The MAC AIDS Fund premiere of the new documentary It's Not Over in Los Angeles on Tuesday.

The songstress looked absolutely stunning as she flashed a bit of cleavage and accessorized with several rings, hoop earrings and a gold necklace.

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