Lady Gaga channeled warrior princess, while Taylor Swift looked devilish in red and Cardi B was the cat's meow — here's the backstory on the night's most stylish looks.

Meanwhile, Eric looked equally suave in a black tuxedo ... navy silk wool coat and matching pencil skirt courtesy of Adam Lippes. The sophistication ensemble was layered over an ivory silk ...

For the occasion, Donald wore a classic tuxedo, while his wife ... She was spotted in a navy blue silk-and-wool overcoat with large lapels buttoned up to reveal an ivory scarf peeking through.

The first lady, 54, wore a navy Adam Lippes tailored navy silk wool coat, a navy silk wool pencil skirt and an ivory silk crepe ... with a black Saint Laurent tuxedo cape overcoat for the ...

For the occasion, Donald wore a classic tuxedo, while his wife wore a white ... She was spotted in a navy blue silk-and-wool overcoat with large lapels buttoned up to reveal an ivory scarf peeking ...

The first lady went patriotic at her husband’s swearing-in, wearing two U.S. fashion brands, while the new Cabinet stepped into the spotlight in sharp styles and fresh colors.

Donald wore a classic tuxedo, and Melania coordinated ... It was a navy wool coat styled with a matching pencil skirt and an ivory silk crepe blouse. To accessorize, she added a flat-brimmed ...

Donald wore a classic tuxedo, and Melania coordinated with him ... for her inauguration-ceremony look. It was a navy wool coat styled with a matching pencil skirt and an ivory silk crepe blouse. To ...

First Lady Melania Trump took a break from the European luxury labels that she favors to wear a custom navy silk wool coat and pencil skirt with an ivory silk ... inspired tuxedo shirt and a ...

A wool boater, rather than the traditional straw ... Sunday night, she went for a refined floor-sweeping tuxedo cape from Saint Laurent paired with a Dolce & Gabbana tuxedo shirt, cummerbund ...

Ask any engaged couple what they want their wedding to be like and you'll hear a common refrain: "We want our day to be ...

Opting for a more somber note, Melania cloaked herself in a custom navy silk wool coat dress – coordinating pencil skirt and ivory silk crepe ... were dressed in slick tuxedos for the black ...