Last night Coldplay landed in L.A. for a Samsung AT&T Summer Krush concert, and touched the hearts of all their fans (and celebrities) in the audience with a moving tribute to Amy Winehouse. Frontman Chris Martin delivered a slower, more serene version of the late singer's "Rehab," singing the chorus during the set, before the band went into their hit "Fix You." OK! GALLERY: AMY WINEHOUSE’S FAMILY & FRIENDS PAY TRIBUTE AT THE SINGER’S FAVORITE JAZZ CLUB IN SOHO The tribute only lasted about 30 seconds, but still moved the crowd ... Read More >>