You won't believe what Ed Sheeran just revealed about Beyonce

Beyoncé has to take some extra security precautions when it comes to maintaining her privacy.

Ed Sheeran, revealed the star is tricky to track down, as she changes her email address once a week.

"I have an email address I email (to reach her but it) actually changes every week," Sheeran told Entertainment Tonight. "So I emailed that and we got on the phone, and (our song) has been in the works since May."’

Beyoncé and the British singer recently collaborated on a remix of his hit song "Perfect," .