They collaborated together on Branch's 2017 album, "Hopeless Romantic."
The Grammy-winning musicians tied the knot Saturday at the Marigny Opera House in New Orleans in front of close friends and family, a representative for Carney told The Associated Press on Sunday.
Among those attending the wedding were the couple's 7-month-old son, Rhys, and Branch's 13-year-old daughter from a previous relationship, Owen.
Branch, 35, wore a dress by Temperley London and walked down the aisle to Elvis Presley's "I Can't Help Falling In Love With You," performed by The Symphony Chorus of New Orleans.
Carney, 39, wore a Burberry suit.
The couple began dating in 2015. They collaborated together on Branch's 2017 album, "Hopeless Romantic."
Branch's hits include "All You Wanted," ''Everywhere," ''Are You Happy Now?" and "The Game of Love," with Santana.
The Black Keys, which includes singer-guitarist-producer Dan Auerbach, have a string of rock hits including "Lonely Boy," ''Tighten Up" and "Fever."
Beyonce was named entertainer of the year at the 50th annual NAACP Image Awards that highlighted works by entertainers and writers of color.
The Bey Hive was feeling the love Friday over Beyonce's release of the album "The Lion King: The Gift," which the pop queen dropped as a sister piece to her new film, a remake of the Disney classic.
Former U.S. President Barack Obama sent a letter, Stevie Wonder sang, and Snoop Dogg called slain rapper Nipsey Hussle a "peace advocate" at a Los Angeles memorial on Thursday attended by family members, friends and thousands of fans.
Actor Gerard Butler says he was amazed to see the energy of 82-year-old Hollywood legend Morgan Freeman, while filming action scenes for their new film, "Angel Has Fallen."
Julianne Moore is accustomed to working with her husband, director Bart Freundlich, on set, but it was a real family affair when their daughter joined them for their latest collaboration.
Peter Fonda, the son of a Hollywood legend who became a movie star in his own right both writing and starring in counterculture classics like "Easy Rider," has died.
Paule Marshall was an exuberant and sharpened storyteller who drew upon classic and vernacular literature and her mother's kitchen conversations for such fiction as "Brown Girl, Brownstones," ''Daughters" and "Praisesong for the Widow."