MTV let us know that both Coldplay and The Pussycat Dolls will hit the stage at the upcoming MTV Movie Awards Ceremony. Here’s the details: MTV today revealed performers for Hollywood’s highly anticipated, irreverent awards ceremony, the “2008 MTV Movie Awards.” Known for introducing diverse line-up of performers to the masses, this year’s ceremony also promises to be an explosive musical showcase. Taking the stage to debut new music and deliver eagerly awaited live performances are Coldplay and The Pussycat Dolls. Hosted by Mike Myers, the “2008 MTV Movie Awards” airs LIVE on June 1st at 8:00pm/7c from the Gibson Amphitheatre in Universal City, CA. MTV is once again setting…