UPDATED Video: Blake Shelton and Miranda Lambert to perform "Over You" in honor of Oklahoma on "The Voice" tonight; Swon Brothers contending on tonight's show - Article Photos 320/520

A tornado victim gives a thumbs up as Southgate Baptist Church volunteer Larry Sullivan offers water and Mercy Chefs meals, in Moore, Okla., Wednesday, May 22, 2013. A tornado damaged the area on Monday, May 20, 2013. Photo by Bryan Terry, The Oklahoman