Earlier this year, Céline Dion lost her longtime husband René Angélil to cancer. Days later, her brother succumbed to the same thing. After a much-deserved break from the spotlight, she returned to Vegas on Sunday night for a triumphant, powerful performance at the Billboard Music Awards. Performing Queen's "The Show Must Go On," she absolutely soared. Moments later, she accepted the ICON Award from none other than her own son — a surprise that brought to Céline to tears. Celiné, you don't ever have to apologize for crying! Ever the epitome of strength, she ended by declaring,"The show must go on!" Watch both her performance and speech above.