Ryan’s co-host this morning is his “On Air with Ryan Seacrest” co-host SISANIE. BILLY EICHNER chats about the series “Difficult People.”GOO GOO DOLLS perform for the “Live” audience. Visit googoodolls.com/summertour for tour dates. Every day this week, two social media sensations will go head-to-head in a different challenge during “Battle of the Web Stars.” First up are YouTube personalities COLLEEN BALLINGER and JOEY GRACEFFA.