Florencia Vicenta de Casillas-Martínez Cardona[3] (born July 19, 1940), known by her stage name Vikki Carr, is an American vocalist.

Born in El Paso, Texas, to Mexican parents, she has performed in a variety of musical genres, including pop, jazz and country, while her greatest success has come from singing in Spanish.

Carr also achieved the rare feat of singing for five presidents during her career: Richard Nixon, Gerald Ford, Ronald Reagan, George Bush and Bill Clinton.

The bicultural nature of her career has included recording with Vicente Fernandez and Pepe Aguilar while the likes of Frank Sinatra and Dean Martin were friends.

[6] Her numerous Spanish-language hit singles include "Total", "Discúlpame", "Déjame", "Hay Otro en Tu Lugar", "Esos Hombres", "Mala Suerte" and "Cosas del Amor".

Her Spanish-language albums have been certified gold and platinum in Mexico, Chile, Puerto Rico, Venezuela, Costa Rica, Colombia and Ecuador.

Carr appeared to great acclaim in a 2002 Los Angeles production of the Stephen Sondheim musical Follies, which also featured Hal Linden, Patty Duke and Harry Groener.

Carr marked the occasion with an appearance on the Latin Grammy telecast, in which she performed "Cosas del Amor" with Olga Tañón and Jenni Rivera.

[9] In 2014, Carr was invited by producer Gerry Gallagher to record with Latin rock legends El Chicano, Alphonse Mouzon, Brian Auger, Alex Ligertwood, Salvador Santana, Ray Parker Jr., Lenny Castro, Siedah Garrett, Walfredo Reyes Jr., Pete Escovedo, Peter Michael Escovedo, Jessy J, Marcos J. Reyes and David Paich, and is featured on a remake of the Latin classic "Sabor A Mi" from a 2019 Gallagher studio album.

[4] Carr has been married three times, first to producer and entertainment attorney Dann Moss, then paint company executive Michael Nilsson.