Lady Gaga: January - May: US/Europe/Australia
The US run of Lady Gaga’s tour The Monster Ball continues January 3 in Florida and ends January 21 in New York City. On February 18, the tour picks up again in Manchester, England, continuing with a string of shows in Ireland and England through March 8. The pop-dance music artist performs in Australia from March 17 to April 2, then heads to France for two dates at the end of May.
http://www.ladygaga.com

OK Go: January: Europe
American rock band OK Go begins a European tour on January 11, starting with nine UK shows and moving on to Brussels, Amsterdam, Cologne, Paris, and Copenhagen. More 2010 shows are expected, including stints in Asia and the US. The band will tour in support of its album Of the Colour of the Sky, due out January 12, which includes the track “Shooting the Moon” from the Twilight: New Moon soundtrack.
http://www.okgo.net/

Muse : January - April/June - July: Asia/Oceania/US/Europe
British rock band Muse has tour dates scheduled throughout the month of January in Japan, New Zealand, and Australia, followed by shows in early February in Singapore and Hong Kong. Then, in late February, the band heads to the US for six shows, beginning in Atlanta and including a March 5 visit to Madison Square Garden in New York. Muse also recently announced festival appearances for summer 2010. Among known dates, the band will perform at Roskilde in Denmark (July 1-4), Rock Werchter in Belgium (July 1-4), Rock Am Ring and Rock Im Park in Germany (June 4-6), and Rock in Rio in Portugal (May 27).
http://muse.mu

Arctic Monkeys : January - February: Europe
The British band will continue touring in support of its 2009 album Humbug, which was released in August and debuted at number one on UK and European album charts. The band started touring in January 2009 and are expected to go well into 2010. In January, the tour continues in Europe with a 12-show run beginning in Milan, making its way through France, Portugal, and Spain, and ending in Dusseldorf, Germany, on February 10.
http://www.arcticmonkeys.com

Black Eyed Peas: January - April/May: North America/Europe
The Black Eyed Peas have more than 30 shows in the US and Canada booked between January 19 and April 11, beginning in Atlanta and finishing up in Vancouver. In May the act is expected to head to Europe; those dates and venues have yet to be announced. The band will be touring in support of the album The E.N.D, which includes the international chart-topping singles “Boom Boom Pow” and “I Gotta Feeling.”
http://www.blackeyedpeas.com/

Jay-Z : February - March: US
The rapper has 19 US tour dates scheduled between February 20 and March 26 in support of his latest studio album The Blueprint 3. The run begins in Florida and makes its way through the Southern US until the end of February, then continues in Washington DC on March 3. Throughout the month of March, the tour continues to Boston, Atlantic City, and Denver, among other cities, finishing March 26 in Los Angeles.
http://www.jay-z.com

Michael Bublé: March - May: US/Europe
Canadian vocalist Michael Bublé has 20 tour dates in the US in March and April, beginning March 10 in Florida. He continues on to cities including Philadelphia, New York City, and Chicago, then heads west for shows in Seattle and Los Angeles, among others. On May 6 the singer begins an 18-concert run in Europe, starting with eight UK shows, then moving on to Paris, the Netherlands, Italy, Germany, Switzerland, and Belgium. Bublé will tour in support of his album Crazy Love.
http://www.michaelbuble.com

Rihanna: May: UK
Pop and R&B singer Rihanna has confirmed eight shows in the UK in 2010, beginning in Birmingham on May 7 and including a performance at the London O2 Arena. The UK tour will finish up on May 19 in Glasgow. The singer’s UK dates will likely be part of a much bigger tour in support of her album Rated R, released November 23.
http://www.rihannanow.com

Alicia Keys: May: Europe
Alicia Keys will tour the UK in May 2010 as part of what will likely become a full-blown European tour. Keys begins on May 19 in Birmingham, continuing on to Glasgow, London, and Manchester. The tour follows the December release of Keys’s album The Element of Freedom, which features the singles “Try Sleeping With A Broken Heart,” “Doesn’t Mean Anything,” and a solo version of “Empire State of Mind.” Keys’s 2010 tour will mark her first UK shows since her 2007 As I Am tour.
http://www.aliciakeys.com

Kiss: May - June: Europe
Kiss will tour Europe in May and June, visiting 27 cities in Ireland, Switzerland, Italy, Austria, Czech Republic, Germany, Norway, Finland, Sweden, Demark, Holland, France, Spain, Belgium, the UK, and Slovakia. Sonic Boom Over Europe: From The Beginning To The Boom, showcasing the band’s new Sonic Boom album, will include Kiss’s first UK arena appearance in 11 years and its first-ever shows in Slovakia.
http://www.kissonline.com

U2: June - July/August - October: North America/Europe/Russia
U2 will continue its 360° Tour in North America in 2010, beginning June 6 in Anaheim, California, and ending in New York City on July 19, also including stops in Toronto, Chicago, Miami, and Montreal. In the midst of its North American shows, the band will hop the pond to headline the 40th annual Glastonbury Festival in late June. Then, on August 6, the band begins a tour leg in Turin, continuing on to 15 other cities including Frankfurt, Moscow, Vienna, and Paris, and ending in Rome on October 8.
http://www.u2.com

Pearl Jam: June - July: Europe
Pearl Jam will head to Europe next summer for a series of headlining and festival appearances. The tour begins on June 22 at Dublin’s O2 Arena, moving on to Belfast, London, and Berlin, and including festivals in France, Belgium, and Portugal. Seven dates have so far been confirmed, with four more shows yet to be announced. Pearl Jam will be touring in support of its self-released album Backspacer, which debuted in the top ten on US and European charts following its September release.
http://www.pearljam.com