Earlier this month, Madonna confirmed that she'd adopted twin girls from the African nation of Malawi. She's already the mother to two children adopted from Malawi, David, whom she adopted in 2008 and Mercy, in 2009, as well as biological children Lourdes, 20, and Rocco, 16.
4-year-old twin girls Esther and Stella seem to have settled in perfectly with Madonna's brood, and she's showing off how well they're adjusting with her latest Instagram post.
In the short video clip, the girls are shown belting out bedtime classic "Twinkle, Twinkle Little Star," singing loudly as the camera.
The girls clearly have a passion for music-- even when the piano player stops playing and takes a step away from the piano, the twins continue to sing the tune--at the top of their lungs.
Welcome to the family, girls!