How old is Demi Lovatos dog Bella?

I do not have access to real-time information, including personal details like pet ages. Therefore, I cannot tell you how old Demi Lovato's dog Bella is.

To find out, you could try these sources:

* Demi Lovato's social media: She might post about Bella's birthday or mention her age.

* Entertainment news websites: Articles about Demi Lovato or her pets may include information about Bella's age.

* Fan websites: Dedicated fans may have compiled information about her pets.