Ryan Seacrest, now single, is very clear on what he does and doesn't want from a potential partner - a.k.a. his dating red flags. During one of his recent radio shows, On Air With Ryan Seacrest, the media personality revealed his must-haves for a partner. Ryan Seacrest's list of red and green flags was pretty surprising. By: On Air With Ryan Seacrest/YouTube "I think simple things can tell a lot. We talk about politeness to strangers, right?" Seacrest began, speaking to his two co-hosts Tanya Rad and Sisanie.