Nikki Reed and Ian Somerhalder are thrilled to finally announce that they are expecting a new addition to their family; their first child. They have tried to keep the news a secret for as long as possible, but now they are desperate for the world to share their happiness.

Nikki Reed and Ian Somerhalder at 'Years of Living Dangerously' premiereNikki Reed and Ian Somerhalder at 'Years of Living Dangerously' premiere

The 28-year-old 'Twilight' star opened up about the news on Instagram yesterday (May 4th 2017) with an adorable photograph of herself in a long blue gown, looking down with a smile on her face as Ian kisses her burgeoning baby bump against a glorious outdoor backdrop.

'Hi Little One, I know you, but only because I feel you', she wrote in the caption. 'How is it possible to love someone so much already? All I know for sure is it's the strongest feeling I've ever felt. We've been sharing this body for quite some time, and we've already experienced so much together. We can't wait to meet you.'

Meanwhile, the 38-year-old 'Vampire Diaries' actor also posted the photo on his account, addressing everyone else. 'To our friends, family, and rest of the world. In my 38 years on this earth I've never experienced anything more powerful and beautiful than this', said Ian in the caption. 'I can't think of anything more exciting than this next chapter and we wanted you to hear this from us first. This has been the most special time of our lives and we wanted to keep it between the three of us for as long as possible so we could enjoy this time with each other and our little one who is growing so fast... because that's what they do, they grow so fast. Thank you for your kind energy.'

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The couple married in Malibu in 2015, and while neither have ever had kids before, Nikki was once married to 'American Idol''s Paul McDonald for three years and Ian used to date his co-star from 'The Vampire Diaries' Nina Dobrev.