The 17-year-old actors supported the foundation in their hopes to find a cure for Batten Disease.
“Let’s #curebatten! Make a donation today at http://bit.ly/cure4batten and give hope to children battling Batten disease,” Peyton wrote on Twitter after the event.
Batten disease is a rare, fatal autosomal recessive neurodegenerative disorder that begins in childhood.
FYI: Peyton is wearing a Minkpink romper and My Jewel Bar choker.