ATisdale052408_01_X17.jpgAshley Tisdale ATisdale052408_04_X17.jpg Ashley Tisdale spent Saturday afternoon with the older set: her mom, her grandma, and...David Hasselhoff?

We spotted the High School Musical starlet grabbing lunch with the other Tisdale women when, by sheer luck, the 'Hoff happened by for a quick chat. Ashley, of course, was happy to chat with the Knight Rider star - hey, who wouldn't be thrilled at a chance like that?