Demi Lovato: Happy Birthday, Mickey Mouse!

Demi Lovato wears her mouse ears proud while co-hosting The View on Monday morning (November 18) from Disneyland in Anaheim, Calif.

The 21-year-old singer joined special guests Bob Iger and Jimmy Kimmel, along with hosts Jenny McCarthy, Barbara Walters, and Sherri Shepherd to celebrate Mickey Mouse’s 85th birthday!

PHOTOS: Check out the latest pics of Demi Lovato

Demi, who will be on the program all week long, just passed two million followers on Twitter!

“WOW!!!!!! Just passed the 20 MILLION follower mark… Unbelievable. I love my Lovatic family.. Thank you guys!!!!” she wrote.

Check out her recent interview on GMA below!