Justin Bieber-pick Me (with On Screen) (iOS)

Ariana Grande (specifically her 2011/2012 Yours Truly era style) or Jordin Sparks .

Recorded in 2009 and leaked in early 2010. It is often associated with his unreleased "Swag" sessions or early My World era. Justin Bieber-Pick Me (With on screen)

Since the song's core message is about being a girl's "number one fan" and the only man she needs, a perfect feature would be a from the same era to provide a "response" verse. Ariana Grande (specifically her 2011/2012 Yours Truly era