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The singer stunned in an orange dress and posed for pictures outside the Victoria and Albert Museum. She accessorized her look with gold-colored earrings and matching heels.
Payne announced the breakup on July 1 via Twitter.
"Cheryl and I are sad to announce that we are going our separate ways," the former One Direction singer wrote. "It's been a tough decision for us to make. We still have so much love for each other as a family. Bear is our world and we ask that you respect his privacy as we navigate our way through this together."