Celebrate man's best friend with the glitz and glamour only Beverly Hills can provide in the fourthannual "Beverly Hills Dog Show Presented by Purina," airing Sunday, May 17at 8 p.m. ET/PTon NBC.Hosted by the Kennel Club of Beverly Hills and produced by NBC Sports, "The Beverly Hills Dog Show Presented by Purina"is a new breed of dog show and must-see viewing for the whole family. Before more than 1,500 dogs representing 200 eligible breeds and varieties face off for the coveted Best in Show title, the canine competitors will mingle with celebrity guests and strut their stuff on the red carpet. For the main event, each group winner will walk the show's unique runway for the Best in Show judge to determine which dog has what it takes to be champion.Hosted by John O'Hurley and David Frei, the special features Maria Menounos reporting from the red carpet and Mary Carillo reporting on the action inside the show ring. "American Ninja Warrior" host Akbar Gbajabiamila will provide behind-the-scenes access as digital contributor. Special guests include Lauren Ash, Brian Baumgartner, Reece Caddell, Doug the Pug and many more.