We didn't need this year's Emmy nominations (sorry, Seinfeld) to tell us 30 Rock is awesome at attracting talented, big-name guest stars. Just this week we heard Jennifer Aniston would play a stalker, and now comes news that Oprah is in final talks to appear on the show as well: "Her story would also play into a feud between Tracy Jordan (Tracy Morgan) and Jenna Maroney (Jane Krakowski) that will continue through several episodes." Stock up on the tissues, America — this could be more emotional than the finale to MILF Island. [E!]