Now the contessa just needed Pietro's blessing - and Carolina's cooperation for the pièce de résistance: invitations from Turri's machine.
Carey Wallace. The Blind Contessa's New Machine, p.167 (2005)
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The mimeographed program announced three musical excerpts from Coppélia, Cinderella and, inevitably, Swan Lake. The pièce de résistance was to be the solos, when each child would have her moment of glory, alone.
Sidney Sheldon. Bloodline, p.128 (1977)
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There would be fresh perch, asparagus, and la pièce de resistance—first-rate, but quite plain, roast beef, and wines to suit
Leo Tolstoy. Anna Karenina
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What is one to make of Eyes Wide Shut? Is this the chef-d'oeuvre, the pièce de résistance if you will, of this legendary cinematic auteur?
Dave Barry. Dave Barry Is Not Taking This Sitting Down, p.132 (2000)