Gwyneth Paltrow provides background vocals on 'A Head Full of Dreams' track
Coldplay team with Beyoncé, Blue Ivy, Gwyneth Paltrow for Rumi-inspired LP
From naked Kellan Lutz causing riots to surprise John Mellencamp cameo
The performers add extra lounge appeal to "Started From the Bottom," "Anaconda" and "I Don't F--k With You"
The band has also hidden Martin's handwritten lyrics to their new album 'Ghost Stories' in libraries around the world
Couple announce breakup on Paltrow's GOOP newsletter
Two-part episode will air on March 18th and 25th
Coldplay frontman joins rapper onstage at Barclays Center show