Jonathan Rhys Meyers has shared the first picture of his baby son Wolf Rhys Meyers.

Wolf Rhys Meyers (c) Instagram

Wolf Rhys Meyers (c) Instagram

The 39-year-old actor and his partner Mara Lane took to social media on Wednesday (15.02.17) to publicly post an image of their first child together two months after the tiny tot was born on December 15 last year in a home birth.

A sweet photo posted on their Instagram account of their child had a heartfelt messaged emblazoned over it, which read: "Happy Valentine's Day, mommy. I love you. Love, Wolfie."

And the upload was captioned: "Valentine's Day everyday #DaddyHelpedMeMakeThisCard in #BabyBliss #SleepyBabyBoy#AngelChild #LoveAndPeace to everyone (sic)."

The couple began dating in 2013 and reportedly got engaged in 2014, although neither of them have ever confirmed their engagement.

There were rumours the pair had tied the knot in September when Jonathan was spotted wearing a gold band on his ring finger.

And the brunette beauty has set tongues wagging the pair have married in secret as she recently shared a picture of her new passport beside her older copy, which sees her list her surname as the same as 'The Tudors' star, although only part of his family title, Rhys, is visible in the image.

Alongside a photograph of two forms of the identification, which she posted on her photo-sharing site, she wrote: "Before I go back into hiding (as need to stay zen, relaxed and happy for the munchkin) will share a week's worth of hashtags for you as am so grateful and thankful for all of your kind words and well wishes.#ThankYou ok so for tomorrow #TravelTuesday 4th passport #globalcitizen could have got a new one a year ago but did not want to waste pages. Thank you #FederalBuilding for being so awesome every time we go. (sic)."