United Kingdom, Aug. 6 -- Hilary Duff rushed her daughter to the emergency room (ER) hours before her sold-out show at Madison Square Garden on Wednesday (05.08.26).

Mae, five, received stitches for an unknown injury before she and her siblings Luca, 14, Banks, seven, and Townes, two, joined the 38-year-old singer at the iconic arena that evening to watch her perform the first of two sold-out Lucky Me Tour shows in New York City.

Per People, Hilary told the crowd about the stressful start to their day, saying: "My kids are here tonight. I can't believe I get to show them this. We were in the ER this morning getting some stitches for my five-year-old."

The Come Clean hitmaker assured fans that Mae was "fine".

Hilary said: "It's all goo...