Amazing acoustic version of 'Titanium' goes viral

Now with over 600,000 views, a video uploaded to Facebook quickly made its way into the hearts of the social media audience. Irish siblings Leah and Noah Kirwan pour their hearts and voices into a wonderful acoustic rendition of David Guetta and Sia's "Titanium." Teenage Leah played the guitar while singing with her "favorite little man" Noah, her younger brother who was diagnosed with Down syndrome.

MUNTINLUPA, PHILIPPINES (Catholic Online) - "Thought I'd do a duet with my favorite little man singing his favorite song, Titanium. Enjoy!" shared Leah Kirwan on her Facebook post on August 29.

The video featuring the duo quickly went viral, with over 600,000 views as of last Wednesday. In the video, Leah plays the guitar and sings while little Noah does adorable back-up vocals. The song concludes with a high-hive and a kiss signifying a job well done.

Since its post, the video has been shared on Facebook over 25,000 times. People left positive comments and well-wishes about the siblings' video.

"Wow that is just amazing what a voice and possibly the cutest video I've ever seen! Well done Leah viral all the way!" Elaine Molloy wrote in the comment section.

"Best video going right now," wrote another.

Family, friends and others went in all-out support of the two, saying they are proud of the siblings.

"What a fabulous big sister & omg how proud are u Darren Kirwan to have such a talented daughter. Amazing & mind blowing rendition," wrote Martina Beattie on the social media site.

Leah and Noah appear to share a wonderful bond as siblings, with the big sister openly showing how she loves and adores her little brother. The Blaze reported they contacted Leah Kirwan but she has yet to respond for an interview.

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