Demi Lovato: 'Let's Get 'Heart Attack' to #1'!

Demi Lovato holds her pillow while making her way through LAX Airport on Thursday (April 19) in Los Angeles.

The 20-year-old singer is back in town after vacationing in Barbados for a few days.

“Thank you guys for all the success with ‘Heart Attack’ this week Lovatics!,” Demi wrote on her Twitter account. “I need your help!!! Let’s get it to #1, we can do this!!!”

Demi will be releasing a remix package for her hit single “Heart Attack” on Tuesday (May 7) – Listen to the Belanger Remix below!

10+ pictures inside of Demi Lovato at LAX Airport…