The 21-year-old actress joined Bethany Joy Lenz, singer Madison Beer, former soap actress Kelli Goss, Pitch Perfect 2‘s Alexis Knapp, Teen Wolf‘s Arden Cho and Mom‘s Sadie Calvano at the BCBGeneration-sponsored event.
“Thank you #PhineasandFerb for 126 episodes of the best summer vacation adventures ever. Last Day of Summer airs June 12 on Disney Channel,” Alyson tweeted after the end of Phineas and Ferb was announced.
She added, “My deepest gratitude to #PhineasandFerb creators @DanPovenmire @mmonogram. Thanks, dads. You shaped my life in tremendous, positive ways.”
10+ pics inside of Alyson, Bethany, Arden and more…