Miss America 2009 Katie Stam, Joshua Jackson, Aaron McCargo Jr.106Molly Sims, Dating with the Stars Week with Chef Danny Boome, Daytona 500 winner Matt Kenseth, guest co-host Joy Philbin122Kevin Bacon, New Kids on the Block, Dating with the Stars Week with Taylor Hicks124Selma Blair, "Toy Guy" Chris Byrne, guest co-host Randy Jackson125Tom Selleck, the winner of "Top Chef", guest co-host Anderson Cooper130Drew Carey, "American Idol" castoffs Jorge Nunez and Jasmine Murray141Craig Ferguson, Jason Segel, "Dancing with the Stars" castoffs Belinda Carlisle and Jonathan Roberts144Christina Applegate, "Dancing with the Stars" castoff Denise Richards and Maksim Chmerkovskiy149Marg Helgenberger, "Dancing with the Stars" castoffs Steve Wozniak and Holly Madison154Emeril Lagasse, the Rebirth Brass Band, New Orleans Hornet Chris Paul, "American Idol" castoff Megan Joy156Reggie Bush, Faith Ford, the Storyville Stompers, Jesse McCartney157Ben Affleck, Steve-O and Lacey Schwimmer, guest co-host Joy Philbin164Jennifer Lopez, Brooke Shields, a performance from Cirque du Soleil's "Kooza"168Allison Janney, "American Idol" castoffs Anoop Desai and Lil Rounds171Matthew Fox, Jill Hennessy, a performance by the Broadway cast of "Billy Elliot"172Matthew McConaughey, a performance by the Broadway cast of "Rock Of Ages"173Hugh Jackman, Chuck Wicks, Julianne Hough, a performance by the Broadway cast of "West Side Story"174Jennifer Garner, a performance by the Broadway cast of "Shrek the Musical"175Eric Bana, "American Idol" castoff Allison Iraheta, Joan Rivers181Susan Sarandon, Gilles Marini and Cheryl Burke, Melissa Rycroft and Tony Dovolani189Heidi and Spencer Pratt, Chris Byrne, guest co-host Jimmy Kimmel191Kyra Sedgwick, spelling bee champ Kavya Shivashankar, guest co-host Pat Sajak197Jeffrey Donovan, Denise Richards, guest co-host Anderson Cooper199Wilmer Valderrama, Imagination Movers, guest co-host Mark Consuelos201Seann William Scott, Kristinia Debarge, guest co-host Anderson Cooper217"Real Housewives of New Jersey" stars Teresa Giudice, Jacqueline Laurita, Dina Manzo and Caroline Manzo, guest co-host Jerry O'Connell219Hayden Panettiere, 100-year-old tennis champ Roger Gentilhomme, Patti Wood223C.C. Sabathia, Alex Rodriguez, Mark Teixeira, Alanis Morissette231Lisa Kudrow, the winner of "So You Think You Can Dance", guest co-host Ashton Kutcher246Rachel McAdams, Karina Smirnoff & Maksim Chmerkovskiy, David Cassidy248