Prince Harry welcomes Ed Sheeran into his home in World Mental Health Day clip: Watch!

Gingers unite!

Prince Harry teamed up with Ed Sheeran in a cute new video for World Mental Health Day, posted to the official Sussex Royal Instagram account.

As the "Shape of You" hitmaker gets his beard trimmed, he tells the camera that he's "really excited" to "go and film a thing with Prince Harry."

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"He contacted me about doing a charity video with him, which, you know, is going to be good," Sheeran explains at the start of the video. "I've long admired him from afar."

The clip then cuts to Sheeran ringing the doorbell at what appears to be Harry's shared home with Meghan Markle, Frogmore Cottage, on the ground of Windsor Castle. The doorbell tune is, naturally, "God Save the Queen."

"Hey mate, how're you doing?" Sheeran says as Harry answers the door.

"It's like looking in the mirror," Harry jokes to his fellow redhead before giving him the go-ahead to bring the camera inside.

The duo is then shown talking at a dining room table about an issue that Sheeran is "quite passionate about" and something that Harry thinks "is just not talked about enough."

"People all over the world are really suffering," Harry adds, before the pair talked about Sheeran writing a song to "raise awareness."

"People just don't understand what it's like for people like us," Sheeran says to a confused Harry. "Well, you know, with the jokes and the snide comments. I just feel like it's time that we stood up and said. 'We're not going to take this anymore. We are ginger, and we're going to fight.'"

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Harry then explains that they must've had a "miscommunication," because they are actually teaming up to raise awareness about mental health. Sheeran then deletes "GINGERS UNITE" from a PowerPoint presentation on his computer.

Harry and the rest of his generation in the royal family have long made mental health one of the key issues that they've wanted to tackle, using their platform to encourage people suffering to reach out for help.