Regina Spektor completed the trifecta of U.S. summer festivals Saturday with her Day Two Lollapalooza performance. But while her Coachella and Bonnaroo sets went off fairly hitch-free, this one suffered a minor hiccup through no fault of her own.

The Russian-born, Bronx-raised singer-songwriter stopped during the middle of her performance of 'The Flowers,' off 2004's 'Soviet Kitsch,' after eyeing a girl in the audience who had taken ill. Spektor commanded the crowd to part and give the girl room, while beckoning security to come and aid in seeking medical attention. Once the anti-folk chanteuse ensured that the audience member would be treated promptly and appropriately, Spektor offered up some words of wisdom to the remaining crowd: drink plenty of water if you want to survive Lollapalooza.

Ever the professional, the quirky songstress picked up where she left off, completing 'The Flowers' and the rest of her set, which featured songs including 'Us,' 'Better,' 'Fidelity' and a cover of John Lennon's 'Real Love.'