Watch Demi Lovato Showcase Her Vocal Prowess With ‘Ghost’ on ‘Fallon’

For the performance, Lovato was joined by a pianist, who accompanied her on the lovelorn ballad. “The one thing that I’m scared of/ Is that your love could be temporary,” Lovato belts on the song. “I could die just looking at you/ But if you go before I do/ I hope you flicker the lights/ And send a chill down my spine so cold/ Wanna be haunted for life by your ghost.” Lovato sat down with Fallon to chat about her album, released last year, and her new cookbook, One Plate at a Time .

She also talked about her wedding, which included a performance by the Goo Goo Dolls ‘ John Rzeznik of their favorite song “Iris.” “We were so grateful to have him perform,” she said. “It was a no-brainer. We definitely wanted that song as our first dance, and he absolutely smashed it… There was a sing-along moment. It was really, really cute and sweet.” Lovato said she also enlisted Paris Hilton to DJ the wedding.

“She’s so iconic,” Lovato said. “And it was electric.” The singer...