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Kate Bosworth's birthday is January 2nd! (Photo by Jamie McCarthy/Getty Images for GUESS)
The CW's Nina Dobrev's birthday is January 9th! (Photo by Slaven Vlasic/Getty Images)
Naya Rivera's birthday is January 12th! (Photo by Jason Merritt/Getty Images)
William Hemsworth's birthday is January 13th!(STAN HONDA/AFP/Getty Images)
The CW's Grant Gustin's birthday is January 14th! (Photo by Imeh Akpanudosen/Getty Images)
Aaliyah's birthday is January 16th! (Photo by George De Sota/Liaison)
Jason Segel's birthday is January 18th! (Photo by Imeh Akpanudosen/Getty Images)
The CW's Jesse L. Martin's birthday is January 18th! (Photo by Michael Yarish/Warner Bros. Entertainment Inc. via Getty Images)
The CW's Justin Baldoni's birthday is January 24th! (Photo by Christopher Polk/Getty Images)
Alicia Keys's birthday is January 25th! (Photo by Taylor Hill/Getty Images)
Ellen Degeneres's birthday is January 26th! (Photo by Kevin Winter/Getty Images)
The CW's Joel Courtney's birthday is January 31st! (Photo by Charley Gallay/Getty Images for The Weinstein Company)
The CW's Diogo Morgado's birthday is January 17th! (Photo by Slaven Vlasic/Getty Images)
The CW's Danielle Campbell's birthday is January 30th! (Photo by Imeh Akpanudosen/Getty Images)
The CW's Jonathan Keltz's birthday is January 17th! (ROBYN BECK/AFP/Getty Images)
The CW's Laura De Carteret's birthday is January 31st! (Photo by George Pimentel/Getty Images)
Justin Timberlake's birthday is January 31st! (Photo by Larry Busacca/Getty Images for MasterCard)
The CW's Michael Trevino's birthday is January 25th! (Photo by Michael Loccisano/Getty Images)
