Jennifer Aniston 'won't stop talking about having kids with Justin Theroux'

Jennifer Aniston can't stop talking about having children with Justin Theroux, it has been reported.

The actress, who is rumoured to have been dating the Your Highness star since May, is said to be excited about the prospect of finally starting a family.

"They're both madly in love and the next step for them is having a baby," a source told Now magazine. "Jen's still open to adoption, but she'd love to have at least one biological child.

"Her clock's ticking and when they went house hunting last week, one of their requirements was to have a child-friendly home with a nursery.

"She won't stop talking about having kids - they're both very excited."

It was recently suggested that Aniston will prepare for the next phase of her life by marrying Theroux.

The couple recently travelled to Hawaii together to celebrate friend Ben Stiller's 40th birthday.

Watch Jennifer Aniston in the Horrible Bosses trailer below: