Giancarlo Giammetti's new book showcases five glamorous decades in the fashion business—and life with his longtime partner, Valentino Garavani. He talks to Erin Cunningham.

Giancarlo Giammetti, co-founder of the legendary Valentino fashion house, has listed his Sutton Place-area penthouse for $17.5 million, according to a Monday release.

The Private Eye of Giancarlo Giammetti. For nearly five decades, the executive who ran Valentino's fashion empire documented every party, runway show and far-flung adventure.

Like the Italian fashion brand Valentino that Giancarlo Giammetti created with Valentino Garavani, the book "Private" is an exercise in luxury, writes Damon Johnstun.

Giancarlo Giammetti, a co-founder of Valentino, is selling his New York City penthouse for $17.5 million. Jacques Grange designed the interiors.

Giancarlo Giammetti's new book, Private GG, offers an intimate lens into his travels, friendships, relationships, and work. For the first time, Giammetti shares insight into his and Valentino’s ...