Bridgit Mendler takes a big bite out of her pink birthday cake from the set of Good Luck Charlie on Friday afternoon (December 16).

The now 19-year-old actress/singer celebrated on the set with her on-screen family: Jason Dolley, Bradley Steven Perry, Leigh-Allyn Baker and Eric Allan Kramer.

Bridgit‘s birthday was on Sunday (December 18).

PHOTOS: Check out the latest pics of Bridgit Mendler

Bridgit just recently got her Twitter handle switched over, too.

“Hey folks! In case you haven’t noticed, I’ve decided to make finding my page on twitter less of a treasure hunt. #iambridgitmendler #hi,” she tweeted.