Anderson Cooper says goodbye to mother Gloria Vanderbilt with exes Ben Maisani and Cesar Recio

A downcast and doleful Anderson Cooper watched as his mother's coffin was taken from an Upper East Side funeral home and loaded into a hearse ahead of her burial service. Scroll down for video Orphaned: Anderson Cooper watched as his mother Gloria Vanderbilt was carried out in her coffin on Tuesday ahead of her burial Reunited: He was joined by his ex Ben Maisani, a little over a year after he announced they had split Difficult day: Vanderbilt, who passed away Monday from stomach cancer at the age of 95, was the only member of Cooper's immediate family who was still alive Devastating loss: Vanderbilt is survived by at least two granddaughters, a grandson and two great-grandchildren Vanderbilt and her oldest son Stan, 68, had a close relationship but that was not the case with Christopher, 67, who had been estranged from his mother for over four decades. Support system: Maisani and Recio stayed by Cooper's side as he prepared to bury his mother Family: She will be buried alongside her fourth husband Wyatt and son Carter at the Vanderbilt's family plot in their hometown of Staten Island Cooper said that he had a different reaction to it all, and struggled to deal with the loss of his brother and father. Parting ways: Cooper and Maisani were seen leaving the Greenwich Village firehouse where the CNN host lives back in March 2018 just hours before they announced their split In he beginning: Cooper and Recio in 2004 at Diane Von Furstenberg's fashion show in NYC Son: Vanderbilt's oldest son Stan was not seen with Cooper on Tuesday Shortly after they started work on the memoir, which they composed in a series of email exchanges over the course of a year. Trial of the century: The custody battle for over Gloria and her $4 million inheritance played out very publicly in 1934, earning her the nickname Poor Little Rich Girl in the press Early start: Vanderbilt was just 17 when she married her first husband, agent and movie producer Pat DiCicco Hollywood men: Vanderbilt was linked to Frank Sinatra after her second marriage fell apart and later wed Sidney Lumet Cooper summarized his mother's life at the start of the memoir by writing: 'My mom has been famous for longer than just about anyone else alive today.