Nikki Reed and Ian Somerhalder

Nikki Reed and Ian Somerhalder

Nikki Reed and Ian Somerhalder are planning to have "multiple babies" this year.

The couple - who have been dating for six months - are reportedly ready to take another step in their relationship.

A source revealed to HollywoodLife.com: "They are in love beyond belief and babies are in the mix, multiple babies and they want to start this year!"

The news comes just a day after a source claimed that the 'Twilight' actress and 'The Vampire Diaries' star have got engaged.

The insider said previously: "It happened over the holidays.

"They mentioned a June [wedding] date. They're really excited."

Nikki - who recently divorced from 'American Idol' star, Paul McDonald - was seen wearing two diamond bands on her right ring finger in the past few weeks, which the insider explained was a way of the couple keeping their exciting news to themselves.

The source added: "Nikki said she wears the ring on her right hand because they want to keep it quiet now."

Meanwhile, Ian recently gushed about the 26-year-old actress, calling her one "of the most beautiful ladies in the universe".

Praising the charity work she does with the American Society for the Prevention of Cruelty to Animals, he wrote next to a photograph of them and their two dogs: "A day with 3 of the most beautiful ladies in the universe... Wow smiling is such a beautiful part of the human experience - I highly recommend it.

"@iamnikkireed your recent work with Gilt benefiting the @aspca is truly truky extraordinary. Thank you for giving so much of your life and for being a strong voice for those whom can speak. My hat is off to you. You amaze me. Love, Ian (sic)".