The 17-year-old reality star actually met her during an accidental FaceTime call!
Kylie was “kind of loopy” at the time because she was at the dentist, People reports.
“I don’t want to scare you,” Caitlyn reportedly tells Kylie when she picks up the call.
“You’re not scaring me,” Kylie adds. “You look pretty!”
Be sure to watch the premiere of I Am Cait, airing this Sunday on E!