This is the list of how Demi Lovato celebrated her birthdays.
Demi spent her 16th birthday at Applebee's.
Demi threw a party for her 17th birthday.
Demi threw a birthday party with glam rock theme at Beacher's Madhouse in Hollywood, California. The party was alcohol free and had "an open Red Bull bar". Celebrity guests that were invited included Derek Hough, Tiffany Thornton and Hunter Parrish. 
Demi spent her 20th birthday dining out and hanging out with some friends 
|“||Birthdays are all about celebrating life, and people are very blessed to even make it to 21, So the last thing I think anyone should be doing on their birthday is poisoning themselves [by drinking].||”|
— Demi told Philadelphia's Mix 106.1.
Demi announced that she was going to Africa for her 21st birthday to do charity work and spent the day working with Free the Children, a charity and educational partner that empowers youth to be more active in their community.
On 22 August 2013, Demi tweeted that one person gave her a goat for her birthday.