Lewis Capaldi fans are an emotional wreck after watching his new 'emotionally scarring' music video, 'Wish You The Best'.

The Scottish singer has shared a brilliant compilation clip of fans reacting to his video and has received more than 12 million views in the process.

The music video is about an older mail carrier named John, and his dog, Willow.

As the clip unfolds, we see the devastating pain of loss and love from the perspective of the pet, and it was seemingly too much for some viewers.

YouTube / Lewis Capaldi

"It’s a song about what we don’t say to those people," Capaldi explained.

"I was fascinated by the things left unsaid, whether that be in a relationship or a friendship.”

He said it's 'the saddest song I've ever written'.

"It’s about someone moving on and that feeling where you know it’s the best thing for that person," the singer added.

"But all you say is ‘good luck I’m really happy for you’ but actually you are dying inside and want to tell them all the things you miss about them and why they should stay with you."

Thankfully, it seems as though all is fine and well for Capaldi in his new relationship with 'lovely lady', Ellie MacDowall.

Last month he opened up about his girlfriend for the first time since going public with his relationship at the Brit awards earlier this year.

Instagram/@elliemacdowall

While not seeming to be too bothered about having a relationship in the limelight, Capaldi opened up about his girlfriend to Scott Mills on BBC Radio 2.

"I have a girlfriend and that’s going really well, I am happy chappy, she’s a lovely lady I feel good about everything," he said about MacDowall.

The singer went on to explain that some of his music was inspired by past breakups, with 'Hold Me While You Wait' penned after the end of his relationship to Paige Turley, who later appeared on Love Island.

Netflix

Despite appearing to be in a happy relationship, concerned parents Mark and Carol, revealed their superstar son isn’t the ‘happy chappy guy’ many of us see on stage, in interviews or on social media.

Carol said: “You think, ‘Where is all this coming from? All these deep, meaningful words that he manages to get into a song?’

“I mean, I think everybody’s complicated, they’ve got things that they keep to themselves, and that’s just Lewis. He’s not just the comedian we all think he is.”

Mark added: “He sees humanity, that darkness, and he understands it, and he can vocalise it.

“And that’s where the conflict possibly is as well, because the darkness comes over the happy chappy guy and manifests itself in all the tics, the anxiety and all the other things that he’s kind of surrounded in.”