Demi Lovato has made a public comeback following a recent hospitalization due to an allergic reaction, confirming her return to performing with a live rendition of 'Cool for the Summer' alongside Pabllo Vittar at Rock in Rio. She also officially resumed her role as Mitchie Torres in the third installment of the Camp Rock series, marking a nostalgic milestone for fans. Meanwhile, two of her past singles have achieved 5x Platinum certification, and she celebrated her first wedding anniversary with partner Jordan Lutes.