Idris Elba, Naiyana Garth Idris Elba, Naiyana Garth

Idris Elba and his girlfriend Naiyana Garth welcomed their first child together on Thursday.The Luther star shared the happy announcement on Twitter, along with a photo of his newborn son Winston holding his finger.

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This is Elba's second child. He also has a daughter Isan, 11, with his ex-wife Dormowa Sherma. Elba, 41, has been dating Garth, a makeup artist, since March 2013.