January 20
- American Horror Story star Evan Peters celebrates 30
- Clueless star Stacey Dash turns 50
- KISS guitarist Paul Stanley is 65
- Astronaut Buzz Aldrin will be 87
- Doctor Who star Tom Baker turns 83
- Power Rangers Megaforce star Ciara Hanna is turning 26
- Dance Academy star Dena Kaplan will be 28
- Football player Nick Foles is 28
- Singer Toni Gonzaga turns 33
- Singer Maddie Wilson celebrates 20
January 21
- X-Men: Days of Future Past star Booboo Stewart is 23
- Wrestler Maryse Ouellet turns 34
- Spice Girls singer Emma Bunton will be 41
- Basketball player Hakeem Olajuwon is turning 54
- Beetlejuice star Geena Davis is 61
- Hockey player Jonathan Quick turns 31
- Singer Billy Ocean will be 67
- Decathlete Ashton Eaton is turning 29
- Zapped star Chanele Peloso is 23
January 22
- Rapper Logic is turning 27
- Actress Diane Lane is 52
- Chef Guy Fieri will be 49
- Singer Steve Perry turns 68
- The Exorcist star Linda Blair is turning 58
- Alien star John Hurt is 77
- Guns ‘N Roses drummer Steven Adler will be 52
- DJ Jazzy Jeff turns 52
- 7th Heaven star Beverley Mitchell is turning 36
- Carrie star Piper Laurie celebrates 85
January 23
- Law & Order: Special Victims Unit star Mariska Hargitay turns 53
- Cheap Trick guitarist Robin Zander is 64
- Saved by the Bell star Tiffani Thiessen is turning 43
- Baseball player Addison Russell will be 23
- Singer Wé McDonald turns 18
- Football player J.T. Barrett is 22
- MacGyver star Richard Dean Anderson will be 67
- Jonah Hex star Julia Jones is turning 36
- Princess Caroline of Monaco celebrates 60
- Fantasy artist Greg Hildebrandt will be 78
January 24
- Soccer player Luis Suarez celebrates 30
- Waiting to Exhale star Kenya Moore will be 46
- Bob’s Burgers voice actress Kristen Schaal is turning 39
- The Fresh Prince of Bel-Air star Tatyana Ali turns 38
- Singer Neil Diamond is 76
- The OC star Mischa Barton will be 31
- Singer Youngjae is turning 23
- Rapper Sleepy Brown turns 47
- Actor Matthew Lillard is 47
- Gymnast Mary Lou Retton will be 49
- Gymnast Becky Downie is turning 25
January 25
- Singer Alicia Keys is turning 36
- 5 Seconds of Summer bassist Calum Hood celebrates 21
- Rapper Pooh-Man turns 46
- Black-ish star Jenifer Lewis celebrates 60
- Wrestler Michelle McCool is turning 37
- Football player Patrick Willis turns 32
- The L Word star Mia Kirshner will be 42
- Football player Danny Woodhead is 32
- Ugly Betty star Ana Ortiz is turning 46
- Singer Lee Junho turns 27
- All My Children star Natalie Hall will be 29
January 26
- TV show host Ellen DeGeneres is turning 59
- Hockey player Wayne Gretzky will be 56
- Wrestler Sasha Banks turns 25
- Once Upon a Time star Colin O’Donoghue is 36
- Singer-guitarist Eddie Van Halen will be 62
- Basketball player Vince Carter celebrates 40
- Singer Kirk Franklin will be 47
- Zoey 101 star Christopher Massey is turning 27
- Singer Anita Baker turns 59
- Football player Torrey Smith will be 28
- Author Shannon Hale is 43