Madonna and her daughter Mercy.Photo:Kevin Mazur/WireImage; Steve Granitz/WireImage

Madonna performs during opening night of The Celebration Tour ; Mercy James, Madonna, Sean Penn arrives at the 5th Annual Sean Penn & Friends HELP HAITI HOME Gala

Kevin Mazur/WireImage; Steve Granitz/WireImage

Now that’s one way to celebrate a birthday!

On Monday,Madonnapaid a special tribute to her daughterMercyon her 18th birthday at her concert at Madison Square Garden in New York, with concertgoers joining the musician, 65, in singing “Happy Birthday” to the surprised teenager mid-show.

“Thank you to the people,” Madonna said, before she stood up and brought her daughter to the side of the stage. “Stand up, stand up beautiful girl. Look at this queen!”

“That’s what a beautiful queen looks like,” the “Vogue” singer added.

Madonna and her daughter Mercy.AMOS GUMULIRA/AFP

Madonna (L) hugs her Malawian adopted daughter Mercy James after she made a speech during the opening ceremony of the Mercy James Children’s Hospital at Queen Elizabeth Central Hospital in Blantyre, Malawi, on July 11, 2017. Madonna on July 11 took her four adopted Malawian children back to their home country for the opening of a paediatric hospital wing that her charity has built

Seconds after, Madonna, holding a drink, asked Mercy, “Do you want a sip?"

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She then jokingly added, “Oh no, 18’s not the drinking age here.”

Mercy then sat down at the piano on stage — the teen appears in the singer’s tour playing on the piano for her 1992 song “Bad Girl” — as Madonna thanked the audience. Mercy then grabbed her microphone and said, “I love you all!”

Madonna then embraced Mercy as the audience clapped again and added, “That’s my girl.”

source: people.com