Dionne Bromfield received rapturous applause when she performed at a music festival on Saturday, shortly after the death of her godmother, Amy Winehouse, was announced.
The 15-year-old singer took to the stage at Ponty's Big Weekend in Rhondda Cynon Taf and performed a "good" set, a spokesman for the event said.
Christian Hanagan, head of strategy for the festival, said: "Dionne performed but she did leave immediately afterwards. It was a good performance.
"We were aware of the issues and the crowd was aware too and they gave her a rapturous applause."
Bromfield, who mixes soul melodies with hip hop beats, came to the attention of the media when she became the first signing to Amy's record label Lioness.
The tragic Back to Black star mentored her goddaughter and encouraged her singing career.
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