Hundreds of people gathered on Monday morning at the Apostolic Church of God on Chicago’s South Side for a private funeral service in honor of Jennifer Hudson’s murdered mother, brother and nephew.

A self-possessed Jennifer Hudson stopped in front of the caskets carrying the bodies of her relatives and kissed her mother goodbye. The invitation-only ceremony was attended by family members and celebrity friends, including Oprah Winfrey, Usher, Queen Latifah, Patti LaBelle, Missy Elliott, Clive Davis, Ciara and Sarah Jessica Parker.

Jennifer Hudson’s former “American Idol” opponent, Fantasia, who also won the talent show, performed the gospel song “Your Grace and Mercy,” while Chicago Mayor Richard Daley and the Rev. Jesse Jackson were among the people who spoke during the three-hour funeral.

The Academy Award-winning actress’ mother, Darnell Hudson Donerson, 57, her brother, Jason Hudson, 29, and her 7-year-old nephew, Julian King, have been the victims of horrific killings. The adults were found dead on October 24 at their home, while the body of the boy, who was the son of Jennifer Hudson’s sister, Julia, was discovered three days later in an abandoned SUV.

After the funeral, a horse-drawn carriage led the convoy to the Oak Woods Cemetery, where the Hudson family members were buried.

William Balfour, Julia Hudson’s 27-year-old estranged husband and Julian King’s stepfather, has been in police custody since the first two bodies were found. He was arrested for parole violation, after spending several years in prison for attempted murder, vehicular hijacking and possessing a stolen vehicle and has also been named a “person of interest” in the Hudson case.