The Rolling Stones announced Monday they plan to play four concerts, two in Britain and two in the United States, in honor of their 50th anniversary. The British rock icons -- Mick Jagger, Keith Richards, Charlie Watts and Ronnie Wood -- are booked to perform their \"50 & Counting\" shows at London\'s O2 Arena Nov. 25 and 29 and at New Jersey\'s Newark Prudential Center Dec. 13 and 15. \"Ladies and Gentlemen, they are back!\" a message on their website said. \"The most eagerly anticipated concerts of 2012 are announced today as the greatest rock \'n\' roll band, The Rolling Stones, confirm their long-awaited return to the stage with four spectacular arena shows.\"