Britney's Circus tour kicks off in just a few hours at the 02 Arena in London! She will be performing 8 shows over the next few weeks before touring the rest of Europe.

Are you attending any of Britney's European concerts? If so, BritneySpears.com wants to hear from you!

- Send us your costume creations, stories, pictures, impressions, and anything else you'd like at BritneySpearsDotCom@gmail.com.

- Visit the Tour Community to share your pictures and video. Especially if you capture anything new for the European leg of the tour!

In honor of all the hard work Britney has been putting in on her new video shoot for 'Radar', BritneySpears.com would like to share another phenomenal fan-made music video for 'Radar'. Outstanding work, Peppe!

From Britney.com UK:

Do you want to see The Circus before anyone else? You and a friend could be in with a chance of watching Britney's dress rehearsal with a select group of lucky fans before the official UK tour begins. It's a great opportunity to check out all the costumes, staging and music of the year's most anticipated tour. And you can see it first! To be in with a chance of winning, just fill in your details here.

Please note that, due to time constraints, Britney will not be able to meet and greet with fans at this special performance. This prize does NOT include tickets any of the actual concerts either!