She's got the moves.
She was in her hometown of Dallas, Texas on Saturday night and despite being ill she still whacked out a pretty impressive rendition of the Maroon 5 track!
Demi tweeted: “Woke up so sick this morning but I WILL NOT let it stop me from putting on a killer show in my hometown tonight!!! Come on Dallas TX!!!!”
What a trooper. Check out the performance.
What do you think? Do you like the song? What do you think of Demi's cover?