Britney Spears treated the crowd at her Hungary gig to a special guest appearance by her son Sean Preston.
The singer was in Budapest as part of the European leg of her Femme Fatale tour when she brought out her son from backstage.
Sean, six, was dressed in jeans and a sweatshirt and wearing his Access All Areas pass.
Clutching a microphone, the little boy appeared a little overwhelmed by the screaming crowd.
Britney crouched down to reassure him, whispering "Stand up" and he greeted the audience with a smile and a wave.
Sean was a huge hit with fans and the star later tweeted a picture of her son's big moment.
She recently revealed she thinks her eldest son and five-year-old Jayden James will follow her into showbusiness.
"When I'm on the road they come with me and they love being on the road. When I was younger I was always on the road and it's always exciting.
"They are in awe, they come home and copy the dancers' moves and try to get on their heads and do spins and do all these things.
"They'll probably be in the entertainment business, definitely."