1. Kim Kardashian, Kris Jenner

    Kris Jenner Wishes Kim Kardashian "Happy Birthday!"—Take a Look Back at Her Past B-Day Bashes!

    Mon., Oct. 21, 2013 1:23 PM PDT
  2. Kim Kardashian, Kylie Jenner

    Happy Birthday, Kim Kardashian: Why 33 Will Be Her Best Year Yet!

    Mon., Oct. 21, 2013 11:00 AM PDT
  3. Kim Kardashian, Khloe Kardashian Odom, Instagram, Birthday

    Khloé Kardashian Odom Sends Birthday Message to Sister Kim Kardashian

    Mon., Oct. 21, 2013 10:15 AM PDT
  4. Zac Efron

    Zac Efron Hits the Golf Course for His Birthday, Celebrates With Friends

    Sat., Oct. 19, 2013 1:03 PM PDT
  5. Zac Efron

    26 Reasons We Love Zac Efron on His 26th Birthday!

    Fri., Oct. 18, 2013 11:56 AM PDT
  6. Katy Perry, John Mayer

    Katy Perry Tweets "Happy Birthday Cutie" to Boyfriend John Mayer

    Wed., Oct. 16, 2013 10:08 AM PDT
  7. Usher Instagram, Justin Bieber

    Usher Celebrates 35th Birthday With Justin Bieber, Diddy, Jermaine Dupri & More—Take a Look!

    Tue., Oct. 15, 2013 1:46 PM PDT
  8. Kim Kardashian, Tao Birthday Instagram

    Kim Kardashian's Birthday Plans Revealed! Get the Scoop on the New Mom's Upcoming Celebration

    Tue., Oct. 15, 2013 10:23 AM PDT
  9. Brad Pitt

    Brad Pitt Talks About Turning 50 and the Importance of 12 Years a Slave

    Tue., Oct. 15, 2013 9:14 AM PDT
  10. Hugh Jackman, Deborra-Lee Furness

    Hugh Jackman Raises $1.85 Million With Birthday Benefit

    Mon., Oct. 14, 2013 10:54 AM PDT
  11. Mario Lopez, Twitter

    Mario Lopez Celebrates His 40th Birthday—See the X Factor Host as a Chubby Baby!

    Fri., Oct. 11, 2013 7:35 AM PDT
  12. Happy Birthday Video

    2-Year-Old Wishing Her Mom a Happy Birthday Is the Most Adorable Thing on the Internet—Watch Now!

    Thu., Oct. 10, 2013 11:31 AM PDT
  13. Heather Locklear, Richie Sambora, Ava

    Heather Locklear & Richie Sambora Reunite for Daughter Ava's 16th Birthday—See the Pic!

    Thu., Oct. 10, 2013 6:54 AM PDT
  14. Mariah Carey, Twitter

    Mariah Carey Bares Her Bra in Sexy Selfie to Husband Nick Cannon on His Birthday

    Tue., Oct. 08, 2013 9:15 AM PDT
  15. Simon Cowell, Terri Seymour

    Simon Cowell Spends Birthday With Ex-Girlfriend Terri Seymour—Not Lauren Silverman

    Tue., Oct. 08, 2013 7:02 AM PDT
  16. Simon Cowell, Fifth Harmony, Home

    Fifth Harmony Teepees Simon Cowell's House for His "87th Birthday"

    Mon., Oct. 07, 2013 1:59 PM PDT
  17.  Dakota Johnson, Hot Pics

    Celebrate Dakota Johnson's Birthday With Hot Fifty Shades Swag

    Fri., Oct. 04, 2013 4:11 PM PDT
  18. Hilary Duff

    Exclusive: Hilary Duff Celebrates Her 26th Birthday—All the Details!

    Sat., Sep. 28, 2013 12:31 PM PDT
  19. Gwyneth Paltrow

    Happy Birthday, Gwyneth Paltrow! Check Out Her Most Outrageous Quotes

    Fri., Sep. 27, 2013 10:40 AM PDT
  20. Britney Spears, Miley Cyrus

    Britney Spears Goes Motor Crossing With Son Jayden—See the Pic!

    Thu., Sep. 26, 2013 6:40 AM PDT
  21. Catherine Zeta-Jones, Micahel Douglas

    Catherine Zeta-Jones and Michael Douglas Spend Joint Birthdays Apart

    Wed., Sep. 25, 2013 12:03 PM PDT
  22. Nicole Richie

    Nicole Richie Flaunts Bikini Bod in Cabo While Celebrating 32nd Birthday—See the Pics!

    Mon., Sep. 23, 2013 3:20 PM PDT
  23. Nick Jonas 21st Birthday, Botero, XS

    Nick Jonas Celebrates 21st Birthday Partying in Las Vegas With Girlfriend Olivia Culpo and Family

    Mon., Sep. 16, 2013 1:58 PM PDT
  24. Vanessa Lachey, Camden, Nick Lachey

    Vanessa Lachey Tweets Cute Family Photo of Son Camden in Cincinnati Reds Jersey

    Mon., Sep. 16, 2013 10:25 AM PDT
  25. Lindsay Lohan, Instagram

    Lindsay Lohan Parties With Mom Dina Lohan After Dina's DUI Arrest

    Mon., Sep. 16, 2013 9:38 AM PDT