The Ellen DeGeneres Show : Season 9

He's a man of many hats and many names! SEAN "DIDDY" COMBS is a musician, a record producer, a fashion mogul, and now he's the Executive Producer of a new documentary called "Undefeated"! Whether he's taste-testing vodka shots or making new friends in the audience, you never know what he's going to do when he's here! Then, the Sports Illustrated Swimsuit Issue cover is one of the most coveted spots for models! The highly anticipated issue will soon be released, with KATE UPTON on the cover!

REESE WITHERSPOON has it all; she's funny, she's smart and she's gorgeous! It's no wonder this Oscar-winning mom of two has been in some of the best films of the past decade. She's here to tell Ellen about her new film with Chris Pine and Tom Hardy, called "This Means War" -- and how she felt about having love scenes with two of Hollywood's hottest actors! Then, he's one of the funniest men Broadway has ever seen! When NATHAN LANE isn't on the Great White Way, he's starring in Hollywood

Their new rap video already has over 4.5 million views on YouTube! The dynamic duo, SOPHIA GRACE & ROSIE are back! They'll be performing a brand new song you won't want to miss. There's no telling what adventure you're in for this time! Then, AMANDA SEYFRIED is Hollywood's new It girl. She's only 26 and she's already starred in blockbusters like "Mamma Mia," "Mean Girls," "In Time," "Dear John," and now she's starring in the new thriller, "Gone." She's sitting down with Ellen to discuss her

Not one, but two of the biggest teen idols on Earth are here! ZAC EFRON and TAYLOR SWIFT are sitting down for their only appearance together, and it's in our studio! They're the stars of the new Dr. Seuss film, "The Lorax." She's the country girl with the unstoppable music career, he's the heartthrob on the cover of every magazine -- they're a Hollywood dream team, and the only place you'll see them together is on Ellen! Then, Ellen has a surprise that's the biggest in Ellen Show history! It

RANDY JACKSON is "the dog" on the biggest television show in the world! When "The Voice's" Adam Levine was here, he had a message for the dog regarding Randy's choice words about "The Voice." We'll see what Randy has to say about it today. He's been a judge on "American Idol" since the beginning, and he's catching Ellen up on how things have changed! And JUSTIN THEROUX is here! He's going to tell Ellen all about the hilarious movie he was filming when he met Jen Aniston, and will talk about

She's one of the biggest names in Hollywood, one of the most identifiable stars in the world, and one of Ellen's closest friends -- it's JENNIFER ANISTON! She's starring in the new film, "Wanderlust," which had Ellen in stitches! It's also the film where she met her very cute and very funny new boyfriend, Justin Theroux. Ellen will be talking to her good friend about her new love, her new film and everything in between! Plus, an amazing juggling act that's so impressive it could only be from

SETH ROGEN has gone from Hollywood's everyman to Hollywood's leading man! He's not only starred in, but has written and produced some of the biggest comedies of the past few years. He's sitting down with Ellen to tell her about his independent spirit, and how he'll be hosting the 27th Annual Film Independent Spirit Awards on Saturday! Then, she's the Real Housewife that's taken on the world! BETHENNY FRANKEL can write a book, host a talk show, and make a healthy snack -- all while sipping

Whether she's anchoring the news, moderating "The View" or hosting "Who Wants to Be a Millionaire?" the fabulous and funny MEREDITH VIEIRA is always up for a good time. Now she's a Special Correspondent for "Rock Center with Brian Williams." Where will she wind up next? She's here to tell Ellen all about it. Then, EMILY VanCAMP is the star of Ellen's favorite new show on television! "Revenge" has had us on the edge of our seats for the entire first season, and Ellen is desperate for a chance

The two most dynamic, pint-sized performers on the planet, SOPHIA GRACE & ROSIE are here for another spectacular visit! They've been in the States interviewing some of the biggest and brightest stars, and they're showing Ellen their favorite moments on the show today! Then, KATE WALSH is the striking star of the hit ABC spinoff "Private Practice," in which her character's been getting busy with some of the sexiest men in Hollywood! She's here to tell Ellen about her on-screen adventures, and

She was an early frontrunner in one of Ellen's favorite TV shows, "The Bachelor," but Bachelor Ben shocked everyone when he sent her home without a rose. Today, Kacie B. tells Ellen about her experience on the show, what she shared with Ben both on screen and off, and her insight into Ben's relationship with Courtney! America was shocked when the judges decided not to include LAUREN GRAY in their top 24 this season on "American Idol." The incredible singer is here today to tell Ellen about

JUSTIN BIEBER birthday exclusive! The music megastar is in the house for a spectacular celebration of his special day. You only turn 18 once, and for Justin, it's happening right here on the Ellen show! Ellen will be partying in style with the biggest teen pop sensation on the planet. She may even have a special birthday surprise! Plus, MEGAN MULLALLY was the hilarious high-pitched sidekick for 8 incredible seasons on the hit show, "Will & Grace." Now she's got a brand new show called

When it comes to STEVE HARVEY, great dating advice has never been funnier! The comedian-turned-relationship guru is here to celebrate the new edition of his bestselling book, "Act Like a Lady, Think Like a Man." No one tells it like it is like Steve. You'll want to hear what he has to say about connecting with the man in your life! Then, JASON MRAZ is in our studio to perform his huge new song! Don't miss his beautiful rendition of "I Won't Give Up," this Friday!

Her talent and her warmth have established JULIANNE MOORE as one of Hollywood's finest actresses. She's starring in the new HBO film "Game Change," in which she takes on the role of controversial politician Sarah Palin. She's telling Ellen how she transformed into the former Alaska Governor, and what she learned about her along the way! Then, from "Rent" to "Wicked," IDINA MENZEL has headlined on the best cast recordings of our generation and staked her claim as an A-List Broadway diva. She's

His rugged good looks and wry smile have made him a Hollywood giant. The charming and mysterious CHRISTIAN SLATER is here! He's starring in the new comedy on FOX, "Breaking In" that premieres the night before he's here, and he's sitting down with Ellen to tell her all about it. Plus, music legend LENNY KRAVITZ is starring in the new thriller, "The Hunger Games," and everyone's talking about it. He's bringing his exciting new CD, "Black and White America," and the behind-the-scenes scoop on the

He played the hilariously awful boyfriend in Ellen's favorite film of last year, "Bridesmaids," and his hit show "Mad Men" is about to make a dramatic and much-anticipated return! JON HAMM has been busy! Since he was last here, he hosted "Saturday Night Live" and appeared in some of the funniest sketches of the season! Plus, the handsome and hilarious MICHAEL WEATHERLY drops by Ellen for the very first time! He's telling her about the amazing 9th season of his hit show, "NCIS"! Then, her

MEGAN FOX is here for the first time! This Hollywood vixen has made a name for herself as the leading lady in "Transformers" and "Transformers: Revenge of the Fallen." Now she's showing off her comedic chops in one of the most anticipated comedies of 2012, "Friends with Kids." CARSON DALY is dropping by to tell Ellen about the exciting new season of "The Voice" that has everyone watching! From radio personality to late-night talk show host, this man has done it all! Plus, it's a special treat

He's battled addiction, tabloids and "Dancing with the Stars" -- and DAVID ARQUETTE has come out on top! He's the executive producer of the hit comedy "Cougar Town" starring Courteney Cox, and it was recently announced he's going to be starring in a new pilot with Ellen's wife, Portia de Rossi! He's here today so Ellen can welcome him to the family! Then, ROBIN THICKE pays tribute to the legendary Whitney Houston with a cover of her classic hit, "Exhale (Shoop Shoop)," that you won't want to

He's a star on the hit series "How I Met Your Mother," and his pet project, "The Muppets," just won an Academy Award! JASON SEGEL is riding high! He's here to discuss his hilarious and heartbreaking new film, "Jeff, Who Lives at Home." Then, JENNIFER MORRISON was the first woman who tried to tame Dr. Gregory House on FOX's "House." She's traded in her scrubs for a fairytale adventure in "Once Upon a Time," and she's telling Ellen all about it. Plus, an amazing juggling act that's so impressive

She's gorgeous, she's talented and she's about to have a baby! JESSICA SIMPSON has a new show, a new beauty line, and this spring she'll have a new member of the family. While she's here, Ellen might help her figure out if she's having a boy or a girl! Then, the star of one of the funniest movies of the past year, "Bridesmaids," as well as the hit comedy "The Office," and now the remake of "21 Jump Street" -- the adorable ELLIE KEMPER is here! She's telling Ellen what it's like to recreate such

It's the return of one of the best games in the history of the show, THE MARSHMALLOW GAME! Many have tried, few have succeeded, and all have looked completely ridiculous. Don't miss The Marshmallow Game's triumphant return this Wednesday! Since the last time JONAH HILL was here, he was nominated for an Oscar! He's sure to have a story or two from the big night! He also just finished hosting "Saturday Night Live"! Plus, he's starring in the remake of one the most beloved TV shows, "21 Jump

EWAN McGREGOR is the most charming and handsome movie star to come out of Scotland since Sean Connery! He took over the role of Obi-Wan Kenobi in the most recent "Star Wars" films, and last year he starred in "Beginners," which was one of Ellen's favorite movies of the year! He's here to talk about the performance that meant so much to Ellen and his new film, "Salmon Fishing in the Yemen." And one of Ellen's favorite people in the world, DREW BREES is here! This headline-making all-star

It's St. Patrick's Day! Ellen's got an incredible surprise for one audience member who has the luck of the Irish... a 7-day trip to the Emerald Isle! And Ellen's writer, Amy, is reporting from Ireland! She's investigating how the Irish celebrate St. Patrick's day, as only she can -- at the Guinness Museum. Don't miss this taped piece that is sure to make international headlines! Plus, AMANDA PEET has starred in countless films and TV shows, from "Studio 60 on the Sunset Strip" to the action

She's one of the biggest names in Hollywood, one of the most identifiable stars in the world, and one of Ellen's closest friends -- it's JENNIFER ANISTON! She's starring in the film, "Wanderlust," which had Ellen in stitches! It's also the film where she met her very cute and very funny new boyfriend, Justin Theroux. Ellen will be talking to her good friend about her new love, her new film and everything in between! Plus, an incredible skating act that will have you at the edge of your seat!

It's the return of the most entertaining girls from the UK! SOPHIA GRACE and ROSIE, those two precocious prima donnas from Essex are back and ready to take on the world. They've blown the roof off our studio with spectacular performances, hosted the red carpet at the AMAs, and you won't believe what Ellen has in store for them next! And the incredibly handsome CHANNING TATUM is swinging by to tell Ellen about his heartbreaking film, "The Vow." Channing always gets into trouble when he's here,