Vanessa Hudgens & Ashley Tisdale: Breakfast Besties

Ashley Tisdale and Vanessa Hudgens walk side by side after dining together on Friday afternoon (December 23) in Studio City, Calif.

The former HSM costars and BFFs were out and about all day long and have been getting in a lot of girl time over the past week.

After lunching, Ashley, 26, headed over to Planet Blue for a little shopping, while Vanessa, 23, hit up yoga class.

Earlier over the weekend, Van was spotted with boyfriend Austin Butler at Disneyland!

15+ pics inside of Vanessa and Ashley…