Article continues below advertisementCody Simpson gave a behind-the-scenes glance at his whirlwind relationship with "first love" Gigi Hadid.During a Tuesday, March 10, appearance on the "We Need to Talk With Paul C. Brunson" podcast, the singer, 29, looked back at his romance with the model, whom he dated between 2013 and 2015.Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: We Need to Talk/YouTubeCody Simpson dated Gigi Hadid for two years.Simpson saw Hadid's "first billboard for Guess" and was captivated by the "h-- older girl.