Ren-Charles Poses with Rihanna After Surprising Mom Cline Dion Onstage at the Billboard Music Awards

Céline Dion on Her Emotional Billboard Awards Performance, Praises Prince Tribute

Rihanna and Ren-Charles

Source: Rene Charles Angelil/Instagram

By Lindsay Kimble

@lekimble

05/23/2016 AT 01:40 PM EDT

Cline Dion"s son Ren-Charles delivered the 2016 Billboard Music Awards"s most emotional moment but also felt the star power offstage.

In a new Instagram photo, the 15-year-old posed with Rihanna, who performed during the Las Vegas ceremony.

"What a night," Ren-Charles wrote of the moment.

RELATED VIDEO: Cline Dion Opens Up After Breathtaking Billboard Music Awards Performance

Ren-Charles presented Dion with the Icon Award, surprising her onstage after she performed her new single, a cover of Queen"s 1991 hit "The Show Must Go On."

"They said, "To present the award, here"s your son" and [it] cut my heart to pieces. [It] really did," Dion said backstage after the special moment.

Dion and Ren-Charles lost her husband and his father Ren Anglil to cancer earlier this year.

Source: http://www.people.com/people/article/0,,21008272,00.html