Ashley Tisdale is a USC Sweetie

Ashley Tisdale looks out from her USC baseball cap as she leaves Equinox Gym in West Hollywood on Monday morning (October 26).

The 24-year-old actress/singer just returned from Scottsdale, Arizona where she performed at The Microsoft Store. Check out more pics of her performance at MissTisdale.net.

Ashley recently chatted with Seventeen mag about the benefits of working out. She shared, “It wasn’t until I hurt my back until I found that I needed a stronger core. I started working out more and felt so much better. My back even stopped hurting and I’m toned; it’s fun.”