Kathleen Madigan from THE ROOT OF ALL EVIL with Lewis Black on Comedy Central and Kim Serafin joins Chris Harrison in the studio to discuss Paris's McCain video and Tyra's Michelle Obama photoshoot.

ESPN & DANCING WITH THE STARS' Kenny Mayne talks with Chris Harrison about his new book 'An Incomplete & Inaccurate History of Sport.' He discusses his pain of being thrown off DWTS; and, refusing Regis Philbin a dance.

Human experimentation is an age-old practice, dating back to 4 BCE. Listen in as Josh and Chuck give you the low-down on the historic, grisly underbelly of science and medicine -- human experimentation.

Madonna's personal wealth is valued at hundreds of millions, how much of that might Guy Ritchie see? Will Guy have to pay child support to the Material Mom? Divorce lawyer Demetria Graves deciphers legalese with Chris Harrison.

Doris Roberts of EVERYBODY LOVES RAYMOND sits down with Chris Harrison in the Hollywood 411 studio. Find about her next pairing with Ray Romano in 'A Night of Comedy VI' for the Children Afflicted with AIDS Foundation.

Chris Harrison and Madison Michele talk to Hayden Panettiere of HEROES at the Teen Choice Awards red carpet. Check out the craziness and the fashions.

Eddie Steeples, 'Crabman' from MY NAME IS EARL, sits down with Chris Harrison in the Hollywood 411 studio to catch up on the new season. Will we find out Crabman's true identity?

Chris Harrison and Madison Michele talk to singer/actress JoJo at the Teen Choice Awards red carpet. Check out the craziness and the fashions.

They had a good run, but their luck ran out. SO YOU THINK YOU CAN DANCE's Comfort and Thayne share their experiences on the show with Hollywood 411's Chris Harrison.

Soap Star Darin Brooks goes one on one with Hollywood 411's Chris Harrison to talk about DAYS OF OUR LIVES and his charity Tag The World.