3 women from NYC in spotlight

They’re A-No. 1, top of the heap — and on Wednesday, Lady Gaga, Jennifer Lopez and Supreme Court Justice Sonia Sotomayor were the New York, New York, class acts at Joe Biden’s inauguration.

Each took center stage at the swearingin of the 46th president and his history-making VP, Kamala Harris, the first woman, first Black person and first Asian-American to hold the office.

Gaga, who grew up in Manhattan, was decked out with a flouffy red Schiaparelli couture dress with a gold dove brooch and dark blue jacket to sing America’s national anthem, giving a stunning earnestness to the classic “Star-Spangled Banner” that lit up the web.

Bronx-born Jenny from the Block belted out a medley of patriotic songs that included “This Land Is Your Land” — and a declaration in Spanish ripped right from America’s Pledge of Allegiance.

“Una nación, bajo Dios, indivisible, con libertad y justicia para todos!” she yelled at the spot where rioters broke into the Capitol two weeks ago: “One nation, under God, with liberty and justice for all.”

Sotomayor, the first woman of color to serve on the Supreme Court, wore her SCOTUS black robe to read the oath of office to Harris, who in turn repeated that she did “solemnly swear that I will support and defend the Constitution of the United States against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; that I take this obligation freely, without any mental reservation or purpose of evasion; and that I will well and faithfully discharge the duties of the office on which I am about to enter: So help me God.”

It wasn’t the first time Sotomayor, who grew up in public housing in the same borough as J.Lo, participated in a presidential inauguration. She previously administered the vice presidential oath to Biden in 2013.