A teen hurled water at two renowned centuries-old paintings at the Metropolitan Museum of Art and ripped tapestries off the wall in a bizarre tantrum, authorities and law-enforcement sources said Tuesday.

Joshua Vavrin, 19, of Texas appeared to be under the influence of an “unknown substance’’ — and was turned over by his mother, sources said.

Vavrin doused the 19th-century oil-on-canvas “Princesse de Broglie,” by French portraitist Jean Auguste Dominique Ingres — hailed as a “masterpiece’’ by the Met on its website — in a 4:50 p.m. frenzy Monday inside the iconic Fifth Avenue museum in Manhattan, cops and sources said.

He also splashed the 16th-century altarpiece “Madonna and Child with Saints” by Girolamo dai Libri, sources said.

During his rampage, Vavrin ripped two historic tapestr

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