Madonna 'Overjoyed' to Adopt Twin Sisters From Malawi

— -- Madonna's family just got a little bit bigger.

On Thursday, the singer shared a photo of herself holding hands with two girls whom she adopted from Malawi.

A government spokesman from the African nation told ABC News last month that Madonna had filed to adopt the children, but her rep initially denied the report.

"I can officially confirm I have completed the process of adopting twin sisters from Malawi and am overjoyed that they are now part of our family," Madonna wrote. "I am deeply grateful to all those in Malawi who helped make this possible, and I ask the media please to respect our privacy during this transitional time. Thank you also to my friends, family and my very large team for all your support and love!"

Madonna, 58, has four other children, two of whom were adopted from Malawi. She adopted her son David Banda, 11, in 2008, and a year later, she adopted her daughter, Mercy James, 11.

She also has a 16-year-old son, Rocco, from her marriage to Guy Ritchie, and a 20-year-old daughter, Lourdes, from her relationship with Carlos Leon.