Lady Gaga kicks off Paris Olympics with feathery performance.

Gaga performs "Mon Truc en Plumes" by Renée “Zizi” Jeanmaire.

Dressed in black leotard, opera gloves, surrounded by dancers.

Dancers wore round pink feathered adornments, enhancing the spectacle.

Gaga greets crowd: "Bonsoir et bienvenue à Paris."

Descends staircase, dances with feather-adorned performers on riverbank.

Sits at piano for interlude during captivating performance.

Joins Celine Dion, Aya Nakamura in opening ceremony lineup.

Parade of Nations features vessels representing competing countries.

Rain blankets Paris during outdoor Olympic opening ceremony.

First Olympic opening ceremony held outside traditional stadium setting.

Much of Paris showcased during this unique Olympic event.