Ashley Tisdale: Go Big Blue!

Ashley Tisdale shows off her Hellcat pride as she heads to set in a sports bra and shorts in Vancouver on Friday afternoon (April 16).

The 24-year-old actress plays Sierra Sloan in the upcoming series about a competitive cheer team. Aly Michalka and Matt Barr also star in the Tom Welling-produced series.

Ashley tweeted earlier this morning, “Hellcats!! Shooting my big cheer number today!!!!!”

10+ pics inside…