Adam Levine jokingly expressed his disapproval of Blake Shelton's upcoming wedding to Gwen Stefani during an appearance on The Ellen DeGeneres Show, humorously saying, "I don’t support their marriage." While clearly teasing his longtime friend, Levine added that he’d show up to the wedding to "object," continuing their playful rivalry that began on The Voice. Let’s watch the video to see more of their friendly banter and how Blake might respond...