Elon Musk has denied having a "three-way affair" with his ex Amber Heard and model Cara Delevingne.During a deposition in Johnny Depp's lawsuit against ex-wife Heard, it was alleged by one of the actress' friends that she had spent the night with the Tesla CEO and their friend Cara Delevingne back in November 2016.However, Musk has now not only denied the claims, but also his involvement with the Aquaman star during her marriage with Depp.In a statement made to Page Six, Musk said: "Cara and I