Pop singer Kelly Clarkson officially christened Norwegian Cruise Line's newest ship, the Norwegian Encore, before an audience of several thousand at PortMiami.

After a champagne bottle break across the ship’s hull, guests were treated to a live performance of "Miss Independent," "Stronger," "Since U Been Gone" and other Kelly Clarkson hits.

The Encore's debut marks the last of the Breakaway Plus class of ships, which includes the Norwegian Escape, Bliss and Joy.

The Norwegian Encore will sail seven-day voyages to the Eastern Caribbean from Miami starting on Nov. 24.

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