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​Kelly Rowland mourns death of her mother at 66

Kelly Rowland attends the MTV Video Music Awards on Aug. 24, 2014,  in Beverly Hills, California.

Charley Gallay/Getty Images

Kelly Rowland is mourning the death of her mother.

The singer announced in a statement that Doris Rowland Garrison died Tuesday in Atlanta at age 66 -- days before her birthday on Saturday. The former Destiny's Child member, who recently became a mother herself, called her mother an incredible soul who made countless sacrifices so she could become the person she is today.

Rowland and her husband Tim Weatherspoon welcomed a baby boy, Titan Jewell, last month.

Garrison has one other child, Rowland's older brother Orlando.

Rowland and her manager beau wed earlier this year in Costa Rica.

Rowland has also been working on her fifth studio album, the follow-up to 2013's "Talk a Good Game." She told CBS News that she's been getting inspiration from all of the positive energy around her and is working with new producers and songwriters on the material.

Meanwhile, the new mom recently recorded a lullaby called "Mommy's Little Baby." Listen to it below: