In a poignant performance from her set at Grand Clapham, Louise paid tribute to the former Love Island host who tragically died after taking her own life in February.
The 45-year-old left her fans in tears after taking to Instagram on Saturday to share a number of clips from the moving performance which marked World Mental Health Day.
Emotional Louise described Caroline as an “angel” and shared her hopes that the couple would be together again one day as she sang the lyrics to Together Again.
Sharing the touching video with her 710,000 Instagram followers, Louise insisted the lyrics meant so much to her before admitting she struggled to sing without tearing up.
“So it’s not always the easiest song for me to sing guys,” she explained before wowing the audience with this mind-blowing performance.
“I think of us together again. I know we’ll be together again, ”she sang before captioning the video,“ This one will always be for you. ”
” I still think of you. Never forgotten, ”she added.
Louise ended the heartbreaking post by urging subscribers to speak out and ask for help if they’ve found themselves in a dark place lately.
The proud mother of two wrote: “If you are having difficulty or need to talk to someone, there is help.
“Please never feel alone x”.
It wasn’t long before Louise, who shares her sons Charles and Beau with ex-husband Jamie Redknapp, received the praise and support of her adoring admirers.
Louise’s loyal fanbase insisted her late friend Caroline would be “so proud” of her performance.
“Beautiful song and beautifully sung. She would be proud xx, ”one user commented.
To which Louise replied: “I hope so”.
“You made her so proud,” resounded for a second.
As a third gushed: “It was heartbreaking. You could clearly see the pain in your heart. I shed so many tears watching this. Well done, your friend would be so proud of you.
“You sing Louise so beautifully, sending hugs to you,” added another admirer.
Louise’s astonishing dedication comes as ITV’s Strictly Come Dancing will remember the late star with a tribute after her Strictly victory in 2014.
The episode will look back at highlights from the past 16 years of iconic ballroom competition before concluding with a poignant tribute to the late Love Island presenter.
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Strictly Come Dancing airs tonight on ITV.