The 58-year-old star, who already has two children from the African country- David, adopted in 2006 and Mercy, adopted in 2009, appeared in court in Lilongwe last month after filing her application for the adoption of two little girls.
The "Vogue" hitmaker posted a picture on Instagram of the twin sisters, pointing out that the process is now complete and she is delighted to have them in her family.
"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.
However, less than two weeks ago Madonna denied reports that she had applied to adopt any more children from Malawi.
"The rumours of an adoption process are untrue. I am in Malawi to check on the children's hospital in Blantyre and my other work with Raising Malawi and then heading home," she said at the time.
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