The 16-year-old actress picked up a copy of Justin Timberlake‘s The 20/20 Experience while shopping around the store.
Stefanie and Spencer teamed up for a duet late last month which they filmed a companion music video in Ohio.
“Hangin with @stefaniescott – she’s always on the phone,” Spencer jokingly tweeted.
FYI: Stefanie is toting a Ted Baker London bag.
15+ pics inside…