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Rihanna wore head-to-toe denim Friday while shopping on Rodeo Drive in Beverly Hills -- with sexy denim button-down and a ripped denim skirt, nude, pointed-toe heels and a black leather cap.

The sexy star accessorized with a few Chanel brooches and Lucite bangle, a studded leather bracelet and a light-blue crocodile clutch.

The singer is set to play a sold-out date on her Diamonds World Tour at the Staples Center in LA, Monday. She'll stay Stateside through May, with only two Canadian dates. Busy, busy!

Meanwhile, her "pal" Chris Brown recently told an LA radio station, he and Rihanna are no longer dating. This may have come as a surprise to RiRi who was off in Europe on tour. He told Power 106 DJ when asked if he and Ri were still dating, simply: "Uh, no. That's the short answer."

We asked Rihanna yesterday and, surprise!, she avoided our questions ...