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The CW's Jensen Ackles's birthday is March 1st! (Photo by Slaven Vlasic/Getty Images)
Justin Beiber's birthday is March 1st! (Photo by Mike Windle/Getty Images for Variety)
Kesha's birthday is March 1st! (Photo by Frazer Harrison/Getty Images)
Jessica Biel's birthday is March 3rd! (Photo by Neilson Barnard/Getty Images for Tiffany & Co.)
The CW's Penn Jillette's birthday is March 5th! (Photo by Frederick M. Brown/Getty Images)
Eva Mendes's birthday is March 5th! (Photo by Angela Weiss/Getty Images for New York & Comp)
Bryan Cranston's birthday is March 7th! (Photo by Jason Merritt/Getty Images)
Bow Wow's birthday is March 9th! (Photo by Brad Barket/Getty Images for BET)
The CW's Daniel Gillies's birthday is March 14th! (Photo by Slaven Vlasic/Getty Images)
Lady Gaga's birthday is March 27th! (Photo by Jamie McCarthy/Getty Images)
