Celine Dion Tears Up After Son Rene-Charles Surprises Her With Icon Award at Billboard Music Awards

The celebrated singer delivered her first televised performance since her husband's death on Sunday: a beautiful rendition of 'The Show Must Go On.'

Celine Dion was honored with the Icon Award at the Billboard Music Awards on Sunday and the indomitable songstress dominated the stage with a fierce performance of "The Show Must Go On."

The breathtaking number was Dion's first televised performance since the death of her husband, Rene Angelil, in January, and the 48-year-old diva didn't skip a beat when it came to proving she's still a vocal powerhouse.

WATCH: Celine Dion Talks Life Without Late Husban René Angélil

Donning a seductive, hip-hugging gold gown and joined by famed violinist Lindsey Stirling -- as well as a full orchestra -- Dion made the epic cover of the Queen hit all her own.

After the performance, Dion tried to hold back tears sweeping over her, which she managed to do until her son, Rene-Charles, came out on stage in a surprise appearance to present her with the Icon Award.

"I'm sorry for crying," Dion said to her son, holding his hand as tears rolled down her face. "I want to be so strong for my family and my kids and I didn't expect this. I didn't want to cry in front of you, you make me so happy."

WATCH: Celine Dion Pays Tribute to Late Husband in Triumphant Return to Las Vegas Stage

Turning to address the audience, the emotional Dion thanked her fans, gushing, "This is such a tremendous honor. You know Music has been my passion since I can almost remember. So many people have helped me get where I am today."

"I want to thank the fans for traveling through music with me in good and bad times," she continued, "My mom, who wrote my first song, my children, and most
importantly my beloved husband whom I know will continue to watch over me from up above."

"Rene, this one's for you," Dion said, beginning to cry even harder and holding her trophy up victoriously. "The show must go on!"

WATCH: Celine Dion Keeps Memory of Rene Angelil Alive With Gold Cast of His Hand

Dion made her triumphant return to the Las Vegas stage in late February, after putting her Caesars Palace residency on hold to mourn the loss of her husband and her older brother, Daniel, who died of cancer two days after Angelil’s death.

Last week, Dion sat down for her first televised interview since suffering her tragic losses.

"It's like I don't live with him physically, but I live with him inside of me," Dion told ABC News' Deborah Roberts. "I miss him when he was well. I miss him the way that I knew him, without the sickness." Check out the video below to hear more.