Denise van Outen caught her fans off guard on Wednesday when she posted an unexpected video that left them in tears.MORE: Denise Van Outen reveals the miracle product that's helped her eczemaThe West End star took to her Instagram Stories with a video, where she could be seen performing a stripped-back version of You'll Never Stop Me From Loving You by Sonia.A post shared by Denise Van Outen ⚡️ (@vanouten_denise)WATCH: Denise's stunning singing clip Captioning the impressive clip, the mum-of-one also made an exciting career announcement and wrote: "Take a cheesy pop song and rework it.RELATED: Denise van Outen's daughter Betsy seen in rare video - and fans cannot get enoughREAD: Denise Van Outen shares 'odd' secret for toned legs – and it only takes 45 minutes"I always loved these lyrics so persuaded @mrsteveanderson to strip it back for @somegirliused2know. Long live Sonia! New music coming soon @absolutelabelservices." Denise photographed after she performed her one-woman musical in 2014Fans were very impressed with the track which was originally reworked for Denise's one-woman musical Some Girl I Used to Know, and couldn't wait to share their thoughts on the video.One fan replied: "Absolutely love this arrangement brought a tear to my eye.