Celine Dion Mourns Her Brother, Daniel, During Memorial One Day After Her Husband's Funeral

The singer and her family paid tribute to her brother following Rene Angelil's public funeral.

It has been a week of heartbreaking goodbyes for Celine Dion.

Just one day after attending her late husband's funeral, the singer mourned her brother, Daniel Dion, during a private memorial service with her family. Daniel died at age 59, two days after Celine’s husband, René Angélil, 73, passed away. Both men had been battling cancer.

WATCH: Celine Dion Leans on Son for Support After Rene Angelil's Wake

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On Saturday, Celine arrived with her mother, Thérèse, to the Salon Rajotte Charles funeral home in Montreal to pay respects to her older brother, Le Journal de Montréal reports.

At one point, Celine reportedly began to sing in honor of Daniel, who was also a musician. Her family then joined in.

There were apparently dozens of fans gathered outside the funeral home to offer their condolences, and, as Celine departed, she rolled down the window of her car to thank several of them.

Daniel's funeral is set to take place on Monday at the Saints-Simon-et-Jude Church in Celine's hometown of Charlemagne, Quebec.

WATCH: Rene Angelil Planned His Own Funeral So Celine Dion Wouldn't Have To

On Friday, the "My Heart Will Go On" singer and her sons, 5-year-old twins Nelson and Eddy and 14-year-old Rene-Charles, mourned René at his state funeral at the Notre-Dame Basilica in Montreal.

"I understood that my career was in a way his masterpiece, his song, his symphony," Celine wrote of her husband, the legendary Canadian singer and manager, in a program at his wake. "The idea of leaving it unfinished would have hurt him terribly. I realized that if he ever left us, I would have to continue for him, without him."

Meanwhile, Rene-Charles spoke of his father at the state funeral. You can hear his touching words in the video below.