The 71-year-old singer was honored with the Icon Award after singing two of her most timeless hits.
Here are the performances, jokes and outfits that, for good or bad, were highlights from Sunday's BBMAs.
Both pop divas had a big night at Sunday's Billboard Music Awards.
ET caught up with Celine Dion and her 16-year-old son backstage at the 2017 Billboard Music Awards.
ET cameras captured the adorable moment after BTS won the Top Social Artist award at the 2017 BBMAs.
ET caught up with Celine backstage at the 2017 Billboard Music Awards after her big onstage moment.
The timeless divas both took the stage in Las Vegas on Sunday night.
Dion's stylist, Law Roach, told ET that the gown was perfect for the one-year anniversary of their first meeting.
The music superstar celebrated the song's 20th anniversary with a powerful performance at the BBMAs on Sunday.
ET is looking back at some of our favorite BBMA moments with Celine, who will perform 'My Heart Will Go On' at this year's show in honor of the song's 20th anniversary.
The singer's three children took to Instagram to wish their mom a happy Mother's Day.
The film's soundtrack was named Soundtrack Album of the Year at the 1998 Billboard Music Awards.
The 49-year-old singer completed her Met Ball experience by grabbing one of New York's famous street foods.
Celine Dion opens up to ET's Samantha Harris about her husband Rene Angelil, who is currently battling throat cancer.
