United Kingdom, April 24 -- YouTube has celebrated its 20th anniversary with Rickrolling.

The video sharing site was first registered in April 2005 and now, in honour of the milestone, the company has invited users to click on a link that takes them to Rick Astley's 1980s classic 'Never Gonna Give You Up'.

Ina blog post, YouTube said: "What better way to celebrate our birthday than with our own Yoodle? Check it out today and give it a click for a surprise ;) And speaking of logos, we'll also have a new, limited YouTube logo in honor of our 20th year. But did you know our original YouTube logo design is a nod to our Bay Area roots? In 2005, when one of YouTube's founders, Chad Hurley, was en route to YouTube's office, inspiration struck:...