Alyson Stoner stops by the U.S. Cellular Field to catch the Chicago White Sox vs. Kansas City Royals game on Tuesday (August 7) in Chicago, Ill.

The 18-year-old actress was joined by her Phineas and Ferb pals and costars Vincent Martella, Dan Povenmire and Jeff “Swampy” Marsh.

PHOTOS: Check out the latest pics of Alyson Stoner

Earlier in the day, the four were spotted at Navy Pier where Perry the Platy-bus stopped by for an event.

Don’t forget to catch “Where’s Perry, Part 2″ on August 24th!