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The 'Kiss Kiss' singer sang Happy Birthday to his mum onstage during a recent show in the US.
Chris Brown serenaded Joyce Hawkins after she joined him onstage during a concert in North Carolina.
He led fans in a rendition of Happy Birthday as his proud mother smiled with joy.
Chris' mum later took to Twitter to express her joy over the public gesture.
"Charlotte you guys were amazing tonight," she wrote.
"Thanks for singing Happy Birthday to me tonight along with Chris, Your energy was amazing."
Watch footage of Chris singing to his mum below...