Jennifer Aniston's fiance Justin Theroux has insisted he isn't worried about the media circus that can surround such a high-profile romance.

Former Friends star Jennifer is a paparazzi favourite which means the engaged couple are constantly pursued by photographers.

But the actor told Details magazine that "it doesn't feel like a hardship, it doesn't feel difficult".

He went on: "It can be an annoyance, but it's not the end of the world.

"You have to centre on what its core thing is, which is that you met someone you fell in love with. It's hard to explain. I just find myself wondering, what's the big f***ing deal?"

Justin, 42, said stories about the pair - who fell in love after working on the movie Wanderlust together - are "always based in fiction".

"You just kind of ignore it, but then you also become reluctant to say anything about the relationship," he said.

"I could say everything's good, and then it's reflected back as JUSTIN THEROUX: EVERYTHING'S GOOD? That just creates this echo chamber, and as it ricochets around the internet, it just gets wacky."