Actor Aaron Paul showed his romantic side by helping a fan stage an elaborate proposal for his girlfriend.

Jason Lord recruited the Breaking Bad star to record a video message for his girlfriend Jackie Prater, who is a massive fan of the actor, as part of his plans to ask for her hand in marriage.

A video uploaded to YouTube.com shows Lord serenading his girlfriend of three years, before Paul appears on an overhead screen to deliver a special message.

The actor says, "Hi Jackie. It's Aaron. Hope all is well in Chicago. I just wanted to send you a message on behalf of my good friend Jason, I think you know him, who I understand has a very important question to ask."

Lord then presents his shocked girlfriend with a ring and Paul returns to the screen to add, "Good luck to you two. Couldn't be happier for you," before finishing with his Breaking Bad catchphrase, "Yeah, b**ch."