To celebrate MDNA's global first week success, Madonna will return to Twitter April 4 at 10pm ET via @MadonnaMDNAday to thank her fans.

Use #askmadonna in your tweet. Watch www.madonna.com/askmadonna

Madonna fans! We are happy to share the current list of European Support Acts for Madonna's 2012 World Tour!

Stay tuned as more are to be announced!

29-May - Tel Aviv - Martin Solveig / Offer Nissim
12-Jun - Rome - Martin Solveig
14-Jun - Milan - Martin Solveig
16-Jun - Florence - Martin Solveig
20-Jun - Barcelona - Martin Solveig
21-Jun - Barcelona - Martin Solveig
24-Jun - Coimbra - Martin Solveig
28-Jun - Berlin - Martin Solveig
30-Jun - Berlin - Martin Solveig
2-Jul - Copenhagen - Martin Solveig
4-Jul - Gothenburg - Martin Solveig
7-Jul - Amsterdam - Martin Solveig
8-Jul - Amsterdam - Martin Solveig
10-Jul - Koln - Martin Solveig
12-Jul - Brussels - Martin Solveig
14-Jul - Paris - Martin Solveig
17-Jul - London - Hyde Park - LMFAO / Martin Solveig
29-Jul - Vienna - Martin Solveig
12-Aug - Helsinki - Martin Solveig
18-Aug - Zurich - Martin Solveig
21-Aug- Nice - LMFAO

Did you miss Madonna's Live Twitter Chat?

Watch it now: www.madonna.com/askmadonna

Madonna's 2012 World Tour will stop at Kiev's Olympic Stadium on August 4th! Tickets will go on sale at 10am local time on March 30.

A devoted fan club pre-sale will start at 10am local time on March 27. Icon members, please note that special related instructions are to be e-mailed to you shortly, so make sure to keep an eye on your mailbox!

We are happy to announce that a show at Birmingham's NIA Arena has been added to Madonna's 2012 World Tour schedule and will take place on July 19th!

Tickets for the newly added show will go on sale March 30th at 9am local time.

A fan club devoted pre-sale will start tomorrow, March 27th, at 10am local time for Legacy members/11am for Live Pass members.

Please visit the "Tours" sections of the site for full Live Pass info and pre-sale access.

To celebrate the release of her new album MDNA, Madonna has decided to take her fans' mobile experience to a brand new level.

Interacting, sharing, shopping, watching and listening was the goal when the superstar launched her first smartphone app, powered by the leading self-service mobile app platform Mobile Roadie.

Today, Madonna announced the release of her revamped iPhone app, but also the launch of her first iPad app. No matter where they are, fans can now stream Madonna's music, photos, videos and share their thoughts, images and news with other fellow fan friends from around the world using their favorite mobile device.

The free app is available for iPad along with iPhone and Android. Go ahead and download your copy of it from the iTunes App Store, Google Play or by visiting http://www.road.ie/Madonna

Happy MDNAday Madonna fans! The new album is now officially out worldwide! If you haven't done so yet, go ahead and download your copy: http://smarturl.it/mdna

Also, don't forget that Madonna will be live on Twitter by 10pm EST to celebrate this special moment with you and to answer your questions. For more info, please click here.

Madonna will be celebrating her new album MDNA with her fans on the day of release, this Monday night at 10pm EST.

The Material Girl will answer your questions for one-day only via a Twitter account @MadonnaMDNAday. Send your question and include the #askmadonna hashtag at the end. Want to see the chat unfold in real-time? Go to www.madonna.com/askmadonna

Did you miss Madonna's Live Facebook chat?

Click here to watch it now.

Do you have plans for tonight? Maybe you should keep an eye on the following live stream starting at 10:45pm EST: http://www.youtube.com/umftv

Something cool may happen... Who knows?...!