Christina, 37, held hands with Violet, 9, outside.
The "Dip it Low" singer and her daughter dressed summer ready for the tasty outing.
Matt, 33, stepped his fashion game up in a pair of very loud camouflage pants and a printed t-shirt.
Christina shares Violet with her ex-husband The Dream.
Violet is about to become a stepsister very soon. Christina and Matt announced that they are expecting their first child together on Sunday, July 28.
They shared a photo of their baby's sonogram on Instagram.
The two singers started dating in August 2017.