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Surprise! It's Katy Perry!

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Published on Jan 25, 2013

One of Ellen's favorite people was here to surprise her for her birthday, and was in rare form! Check out her exciting turn as a game show host, and see who won a trip to Australia! Then, find out how you can win a trip to Australia here!

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  1. 2680

    Exclusive! Ellen and Tony Dance

  2. 2681

    Catherine Zeta-Jones on Her Husband Kissing Matt Damon

  3. 2682

    Catherine and Ellen Hula Hoop!

  4. 2683

    Tony's Audition for 'American Idol'

  5. 2684

    That's No Pair of Scissors

  6. 2685

    Drive-Thru Prankster Strikes Again!

  7. 2686

    Birthday Message from an Old Friend

  8. 2687

    Weekly Tweetly Roundup: Panic Attack!

  9. 2688

    Katie Couric Interviews Tony

  10. 2689

    Know Ellen or Go Ellen

  11. 2690

    Sean's Dogs

  12. 2691

    Ellen's Audience Gets Naughty!

  13. 2692

    Hot Glam Girl: 50 Years Old!

  14. 2693

    Exclusive! Sean Hayes and Jillian Michaels Extended

  15. 2694

    P!nk's Birthday Message to Ellen

  16. 2695

    Ellen's Nieces' Birthday Message

  17. 2696

    Ellen's Birthday Cake!

  18. 2697

    Jude Law's Surrey

  19. Surprise! It's Katy Perry!

  20. 2699

    Ellen's Birthday Busts

  21. 2700

    Pres. Obama's Birthday Message to Ellen

  22. 2701

    Ellen Shoots Some Hoops!

  23. 2702

    Kristen Bell is Pregnant!

  24. 2703

    A Sloth is Near!

  25. 2704

    Cedric the Entertainer Raccoon Face-Off

  26. 2705

    Exclusive! Australian Fans During the Break!

  27. 2706

    The Pierce Family Meets Ellen

  28. 2707

    NeNe Leakes Gets a Striptease!

  29. 2708

    Ellen Meets an Australian Fan!

  30. 2709

    Playing Nice on 'American Idol'

  31. 2710

    Take It to the Limit

  32. 2711

    Simon Baker is Koala-Fied

  33. 2712

    Chris Pratt on His Life with Anna Faris

  34. 2713

    Be the Next CoverGirl!

  35. 2714

    Ageless Beauty

  36. 2715

    Colton's Incredible Surprise

  37. 2716

    A Trip to Australia!

  38. 2717

    Tony Karaoke, American Style

  39. 2718

    Weekly Tweetly: Did You Have Salad?

  40. 2719

    What's Wrong With These Photos? Man in the Mirror

  41. 2720

    Web Videos Live: Water You Doing?

  42. 2721

    Chris Kluwe's Incredible Kick!

  43. 2722

    Exclusive! Awesome Dancer Tears It Up!

  44. 2723

    Why Can't People Be More Like Cats?

  45. 2724

    Exclusive! G'Day USA Red Carpet Extras!

  46. 2725

    An Inspiring 10-Year-Old Philanthropist

  47. 2726

    Ellen's Got Birthday Gifts!

  48. 2727

    Mark Wahlberg's Toe Trouble

  49. 2728

    Josh Hopkins Dating Courteney Cox?

  50. 2729

    The Lowdown on Lance

  51. 2730

    Dress for Sale

  52. 2731

    Update From CoverGirl Talia

  53. 2732

    It's Nothing Day

  54. 2733

    Kyle Chandler on Kelly Clarkson's Crush

  55. 2734

    Jennifer Lopez on Ben Affleck's Win

  56. 2735

    Jennifer Lopez on 'American Idol'

  57. 2736

    L.A. Is So Cold!

  58. 2737

    Ellen Meets a Young Footballer

  59. 2738

    Insta-Gramification

  60. 2739

    Who Is Nicki Minaj Dating?

  61. 2740

    Nicki Minaj on Her Feud with Mariah Carey

  62. 2741

    'Do You See What Aussie?'

  63. 2742

    Clumsy Thumbsy: On Erection

  64. 2743

    Weekly Tweetly Roundup: No 'I' in Anxiety

  65. 2744

    Ellen's Audience Revealed

  66. 2745

    Savannah Guthrie's Fear of Frogs

  67. 2746

    It's Cold and Flu Season!

  68. 2747

    Will Strangers Help a Pregnant Amy?

  69. 2748

    'The Wanted' is Here!

  70. 2749

    Emma Stone on Co-Star Andrew Garfield

  71. 2750

    Tony Has a Girlfriend

  72. 2751

    Pictionary with Joe Manganiello and Common

  73. 2752

    The Best Web Videos of 2012!

  74. 2753

    Exclusive! Ellen's Outtakes

  75. 2754

    Ricky Gervais' Crazy Twitter Photos

  76. 2755

    Bethenny Discusses Her Divorce

  77. 2756

    Bethenny's Tips for the New Year

  78. 2757

    New Year's Resolutions

  79. 2758

    Andy Gets a Flu Shot

  80. 2759

    Ellen's 'Summer Days of Giveaways' Winners

  81. 2760

    Kaley Cuoco's Dog in the Hot Tub

  82. 2761

    Kim and Kanye's Baby Name

  83. 2762

    Ellen Hurt Her Neck!

  84. 2763

    Special Gifts from Fans

  85. 2764

    Tony is an American Citizen!

  86. 2765

    Weekly Tweetly Roundup: Depressed Cats

  87. 2766

    Kevin Hart Saved Ludacris

  88. 2767

    The Pierce Family Gets Every Prize from 12 Days!

  89. 2768

    Card Trick from Home!

  90. 2769

    Adorable Dog Loves Cute Cat

  91. 2770

    Exclusive! Bonus Magic Trick

  92. 2771

    Holly Berry Revealed!

  93. 2772

    Justin Flom's Incredible Magic

  94. 2773

    Exclusive! Ellen's Yoga Workout

  95. 2774

    Screaming Sheep Meet Screaming Lady

  96. 2775

    What's Wrong with That Tree?

  97. 2776

    Holiday Eating

  98. 2777

    Jamie Foxx's Holiday Decorations

  99. 2778

    Bethenny's DIY Holiday Gifts

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