Lewis Capaldi and Ellie Goulding are among the celebrities sending heartfelt messages to X-Factor star Tom Mann, after the death of his fiancee on what was meant to be the couple’s wedding day.

Mann found fame as part of the English-Irish boyband Stereo Kicks on the 2014 series of singing competition The X Factor.

In an Instagram post on Monday, Mann said he was "completely broken" after his fiancée Danielle Hampson died on the morning of the couple’s wedding day.

Alongside a picture of her and the couple’s young son Bowie, Mann wrote: "I can’t believe I am writing these words but my darling Dani – my best friend, my everything and more, the love of my life – passed away in the early hours of Saturday morning, 18th June.

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"On what was supposed to be the happiest day of our lives ended in irreversible heartbreak. I feel like I have cried an ocean.

"We never made it to the alter; or got to say our vows, or dance our first dance, but I know you know that you were my entire world and the best thing that has ever happened to me, Danielle.

"I will wear this ring that I was always supposed to wear as a sign of my unconditional love to you.

"I am completely broken trying to process this and I honestly don’t know where to go from here, but I do know I need to use any strength I can muster for our little boy.

"I will not be a mark on the parent that you had already become but I promise I will do my everything to raise Bowie just the way we always wanted. I promise you he will know how amazing his mummy was. I promise to make you so so proud.

"The most beautiful person inside and out. The most incredible soul. We have lost such a special person and I am sure we are about to see an abundant outpouring of love that reflects that.

"I will try to find peace in your messages and comments, but right now I am grieving and I will be for a very, very long time.

"My darling Dani, the brightest light in any room, my world is nothing but darkness without you. I will miss you forever."

Among the thousands of messages left on the post were comments from Scottish singer Capaldi, 25, who wrote: "Love you brother," followed by a red heart emoji.

Irish singer-songwriter RuthAnne said, "Sending so much love and so so sorry for your loss," while Girls Aloud star Nadine Coyle added, "Sending so much love, light & healing to you, Bowie & everyone who loved Dani!!"

Singer-songwriter Tom Grennan also commented: "I love you brother."

Goulding, 35, wrote: "I’m thinking of you non stop… You are so strong. Here for you always. Love you xxxx"

A number of DJs also left messages, with Duke Dumont writing "So sorry Tom," and SG Lewis adding "Tom you are so loved mate. I’m so sorry," with a red heart emoji.

Mann’s former Stereo Kicks bandmates sent their love and sympathy, with Jake Sims writing: "Mate I am so so sorry to be reading this. Sending every ounce of love I have," and Barclay Beales commenting: "Sending all my love brother so sorry."

The band split up in 2015.

Mann and Hampson announced their engagement in December 2019 and welcomed their son Bowie in October last year.

Source: Press Association