His father, Edmund Reggie, was a local judge and banker, and his mother, Doris Ann Boustany, was a Democratic National committeewoman.
[4] Years later, Doris Ann Boustany would cast the only Louisiana delegate vote for Ted Kennedy at the 1980 Democratic National Convention.
[citation needed] Denis Reggie attended Tulane University, where he took photographs for the yearbook and local newspapers.
"[7] In 1996 he took the photograph of John Kennedy Jr. kissing the hand of Carolyn Bessette that was described by The Wall Street Journal as the watershed image that transformed wedding photography forever.
[11][12] In addition to more than 21 Kennedy weddings,[6] Reggie's clients have included Oprah Winfrey, Vera Wang, Mariah Carey, James Taylor, Don Henley, Chris O'Donnell, Noah Wyle, Alan Greenspan and Andrea Mitchell, Dominick Dunne, Tom Clancy, Karenna Gore, Carey Lowell, Ted Turner, Peter Jennings, Bob Schieffer, Mary Matalin and James Carville, Holly Hunter, John Kerry, Paula Abdul, Fran Tarkenton, Susan Lucci, Emilio Estevez, Maria Shriver and Arnold Schwarzenegger, Kenneth Cole, Mario Cuomo, and Rudolph Giuliani.