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 318/520

Southgate Baptist Church volunteer Larry Sullivan drives a truck carrying water and Mercy Chefs meals to tornado victims in Moore, Okla., Wednesday, May 22, 2013. A tornado damaged the area on Monday, May 20, 2013. Photo by Bryan Terry, The Oklahoman