Julia Louis-Dreyfus discusses the legacy of “Seinfeld,” her infamous dance, awkward fan encounters, and love of regifting in her first appearance. William H. Macy also makes his debut, sharing his passion for woodworking, his wife Felicity, and his commercial work.

John Edward; Julia Louis-Dreyfus; songwriter Coby Brown, winner of the John Lennon Songwriting Prize.

JULIA LOUIS-DREYFUS drops by and chats about her Emmy win for "The New Adventures of Old Christine (CBS, Monday @ 9:30pm)" and how she injured herself with the famed statue. Julia also speaks candidly about being a child of divorce. Plus, BRADLEY WHITFORD gives Ellen a little too much detail about how he keeps the romance alive in his marriage. He also chats about his return to television in the much anticipated Studio 60 on the Sunset Strip. (NBC, Monday @ 10pm) And, the runner-up from Rockstar: Supernova Dilana swings by and discusses the conflicts she had with other Supernova competitors and gives an amazing performance of Roxanne.