NEW YORK — R&B diva Patti LaBelle hurled curses — and half a bottle of water — at a woman and her 18-month-old daughter after a dust-up over parenting in an apartment building lobby, according to a lawsuit filed Monday and the family’s lawyer.

LaBelle’s publicists and lawyer didn’t immediately respond.

The couple live in a Manhattan building where the Grammy Award-winning singer stayed for a time while appearing in the Broadway musical “Fela!” last fall.

He said LaBelle chastised Roseanna Monk for letting the toddler take some steps away from the mother as she grappled with some luggage and a car seat in the building’s lobby. After Monk scooped up the child and told LaBelle it was none of her business, the singer allegedly threw water on them from a bottle she was carrying and then allegedly launched into an obscenity-filled tirade, he said.

The Monks filed a complaint with police; no arrests were made.

The lawsuit, which seeks unspecified damages.