Samsung announced the re-vamped app at it IFA 2011, where the company will also be showing off the interface.
The updated app offers a more intuitive user interface which has been tailored to larger screen devices like TVs, while it also offers easier log in and searching once you're in the app.
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Samsung Smart TVs will also offer a 'personalised profile' with tailor-made recommendations based on viewers' interests and previous searches.
Guy Kinnell, Marketing Director, TV, Samsung UK said: "Samsung is glad to be an exclusive partner in bringing YouTube 3D experiences to the TV space for the first time in the world at IFA 2011.
"Samsung Smart TV is an ideal platform for YouTube to convey the beautifully visual user interface and 3D experience that consumers will now have at their fingertips for watching and sharing 3D content worldwide.
This partnership will contribute to the continued growth of both the 3D and Smart TV industries."
The updated YouTube on TV app with 3D will be available on 2011 Samsung Smart TV and Blu-ray players before the end of the year.
Check out what else Samsung got up to this IFA, with our handy video round up:
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Former UK News Editor for TechRadar, it was a perpetual challenge among the TechRadar staff to send Kate (Twitter, Google+) a link to something interesting on the internet that she hasn't already seen. As TechRadar's News Editor (UK), she was constantly on the hunt for top news and intriguing stories to feed your gadget lust. Kate now enjoys life as a renowned music critic – her words can be found in the i Paper, Guardian, GQ, Metro, Evening Standard and Time Out, and she's also the author of 'Amy Winehouse', a biography of the soul star.