Kevin Costner (71) has gathered numerous stars for the good cause on his estate near the Californian town of Carpinteria. On September 25th and 26th, the actor once again hosted the annual benefit event "One805Live!". This is reported by RTL. In front of the impressive backdrop of the Pacific, prominent guests and well-known musicians came together to support the fire brigade and police in Santa Barbara County. The Hollywood star did not limit h…