The project seems to be a collaboration in aid of World Mental Health Awareness Day.
In the brief footage, Sheeran approaches a door, rings a doorbell which plays a novelty tune, to be greeted by a casually-dressed Harry, who says: "Hello mate".
The "Shape of You" singer asks if he can bring his camera man in, and Harry responds, "Of course, come on in", before the screen cuts to black with the message, "Tomorrow 10th October".
Prince Harry and Ed Sheeran are cooking something up. The caption on the post read, "Coming soon". Some have guessed that the shot is of her bridal gown, which is sightly visible in the clip. In fact, a few days ago, he teamed up with Duchess Meghan, Duchess Kate, and Prince William to narrate a PSA in promotion for the Every Mind Matters service, which gives people resources to support their mental well-being.
However, a tell-tale pane of glass in the front door suggests it may belong to Ivy Cottage, a three-bedroom residence in the grounds of Kensington Palace, London, where Princess Eugenie has lived with her husband Jack Brooksbank for the past year.