January 19
- Singer Dolly Parton turns 72
- Gymnast Shawn Johnson will be 26
- Actor-comedian Shawn Wayans is turning 47
- Sons of Anarchy star Katey Sagal turns 64
- Rapper Lil Scrappy is 34
- Zoey 101 star Erin Sanders will be 27
- Wrestler Ron Killings is turning 46
- Basketball player JaVale McGee celebrates 30
- Fuller House star Jodie Sweetin is 36
- Comedian Paul Rodriguez will be 63
- Singer Lindee Link turns 23
- Meet the Browns star Denise Boutte is turning 36
- Race car driver Jenson Button will be 38
- Degrassi: The Next Generation star Sarah Fisher celebrates 25
January 20
- Doctor Who star Tom Baker turns 84
- Actress-news anchor Stacey Dash will be 51
- Power Rangers Megaforce star Ciara Hanna is turning 27
- KISS guitarist Paul Stanley is 66
- Astronaut Buzz Aldrin will be 88
- The Office star Rainn Wilson turns 52
- Bullet for My Valentine singer Matthew Tuck is 38
- Football player Nick Foles will be 29
- Singer Toni Gonzaga turns 34
- Songwriter Bonnie McKee will be 34
- Renegade star Lorenzo Lamas celebrates 60
- The Roots drummer Questlove is 47
- Riverdale star Skeet Ulrich turns 47
- Singer Maddie Wilson celebrates 21
- TV show host Bill Maher is turning 62
January 21
- Singer Billy Ocean will be 68
- Beetlejuice star Geena Davis is 62
- X-Men: Days of Future Past star Booboo Stewart turns 24
- Wrestler Maryse Ouellet celebrates 35
- Spice Girls singer Emma Bunton will be 42
- Chicago Fire star Izabella Miko turns 37
- Basketball player Hakeem Olajuwon celebrates 55
- Hockey player Jonathan Quick turns 32
- Zapped star Chanele Peloso is 24
- Decathlete Ashton Eaton celebrates 30
- Janet King actress Marny Kennedy will be 24
- Singer Eric Secharia is turning 26
- Beauty and the Beast voice actor Robby Benson is 62
- Baseball player Brandon Crawford turns 31
- Golfer Jack Nicklaus will be 78
- Poltergeist star Kennedi Clements is turning 11
- Paranormal investigator Lorraine Warren turns 91
January 22
- Actress Diane Lane is 53
- Rapper Logic is turning 28
- Chef Guy Fieri celebrates 50
- The Exorcist star Linda Blair will be 59
- Guns ‘N Roses drummer Steven Adler turns 53
- DJ Jazzy Jeff is 53
- 7th Heaven star Beverley Mitchell is turning 37
- Basketball player Greg Oden celebrates 30
- Carrie star Piper Laurie will be 86
- Journey singer Steve Perry turns 69
- Tennis player Alizé Cornet is 28
- Singer Ben Taylor will be 41
- Suits star Gabriel Macht is turning 46
January 23
- Cheap Trick guitarist Robin Zander celebrates 65
- Law & Order: Special Victims Unit star Mariska Hargitay turns 54
- Baseball player Addison Russell will be 24
- Saved by the Bell star Tiffani Thiessen is turning 44
- Singer Wé McDonald turns 19
- Football player J.T. Barrett is 23
- MacGyver star Richard Dean Anderson will be 68
- Singer Rachel Crow celebrates 20
- MMA fighter Tito Ortiz will be 43
- Singer Ariyanna Ingram turns 19
- Jonah Hex star Julia Jones is turning 37
- Princess Caroline of Monaco is 61
- Fantasy artist Greg Hildebrandt will be 79
- Comedian Greg Benson celebrates 50
January 24
- The Fresh Prince of Bel-Air star Tatyana Ali turns 39
- Soccer player Luis Suarez is turning 31
- Waiting to Exhale star Kenya Moore will be 47
- The OC star Mischa Barton is 32
- Singer Youngjae turns 24
- Rapper Sleepy Brown is turning 48
- Vacation star Ed Helms will be 44
- Actor Matthew Lillard is 48
- Gymnast Mary Lou Retton celebrates 50
- Singer Neil Diamond is 77
- Gymnast Becky Downie is turning 26
- Degrassi: The Next Generation star Dylan Everett turns 23
- Bob’s Burgers voice actress Kristen Schaal celebrates 40
- Actor-comedian Phil Lamarr will be 51
January 25
- Black-ish star Jenifer Lewis will be 61
- Singer Alicia Keys is turning 37
- Ugly Betty star Ana Ortiz is 47
- Singer Lee Junho turns 28
- All My Children star Natalie Hall celebrates 30
- 5 Seconds of Summer bassist Calum Hood will be 22
- Rapper Pooh-Man turns 47
- Comics writer Geoff Johns celebrates 45
- Wrestler Michelle McCool is turning 38
- Football player Patrick Willis turns 33
- Basketball player Josh Powell celebrates 35
- Step by Step star Christine Lakin will be 39
- Wrestler Honky Tonk Man celebrates 65
- The Vampire Diaries star Michael Trevino is turning 33
- Football player Danny Woodhead is 33
- Encantadia star Kylie Padilla celebrates 25