Idris Elba is the proud father of a baby boy! The actor and his girlfriend Naiyana Garth welcomed a newborn son on Thursday, Elba revealed to fans via Twitter. 
"My Son Winston Elba was born yesterday..Truly Amazing :-)," the 41-year-old posted next to a picture of the baby holding his finger with his tiny little hands. This is the second child for the Mandela: Long Walk to Freedom actor. His daughter, Isan, was born in 2002 from a previous relationship.
It's not clear when Elba and Garth, a makeup artist, started dating, as the actor is typically very private about his relationships. The couple went public with their relationship and baby news this past November, when they were spotted together at the Glamour Women of the Year event.
Congratulations to Idris and his happy family!
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 (Photo: Joe Scarnici/Getty Images for The Weinstein Company)