Madonna son 'knows all her songs'

Madonna has revealed that her adopted son David Banda is one of her biggest fans and likes to dress in her stage outfits.

The 'Celebration' star claimed that 4-year-old David knows all the lyrics to her songs and has learned her dance routines.

"He knows every song, every word, every step, and he wants to wear all the costumes - he likes my dress that I wear in 'La Isla Bonita'," she told GMTV.

The 51-year-old admitted that she was "surprised" when her nine-year-old son Rocco took to the stage on her recent 'Sticky And Sweet' tour.

"When he jumped on stage to dance in my last show I was shocked actually and secretly, unbeknownst to me, they're all studying privately with my dancers," she said.

"Rocco comes out and busts out like a moonwalk or you know, some kind of breakdancing move and I'll ask him, 'Where did you get that?'. He's always been quite shy so I was shocked when he wanted to be in the show."

Madonna recently confirmed that she hasn't ruled out adopting another child.

The singer and former husband Guy Ritchie adopted David Banda from Malawi in 2006 and she returned after their divorce in 2008 to take home Mercy James.