Movie On-Screen Couples: Rupert Grint, Emma Watson The Biggest Earners

Ron Weasley may have skirted along the poverty line during childhood, but his children are going to be quite comfortable with their inheritance.

Forbes Magazine, in conjunction with Hollywood money site Box Office Mojo, has compiled a list of the top-earning on-screen couples of the past half decade. Though they were in a love-hate relationship for much of the film series, Ron and Hermoine's fateful kiss and bliss-filled epilogue in the final Potter film put them at the top of the list.

The final four Potter films, released between 2007 and 2011, took in $4.2 billion worldwide, including a staggering $1.33 billion for this summer's finale. The series' massive success helped make Watson Hollywood's highest earning actress in 2009, as she took in $30 million in advance for the final two films.

Coming in second on the list are another YA adaptation couple, Edward Cullen and Bella Swan. Their four "Twilight" films thus far have taken in $2.5 billion worldwide, and they have another to go this summer.

Shia LaBeouf and Megan Fox came in third for their first two "Transformers" films, with $1.5 billion. Fox did not appear in the third film, which took in $1.2 billion worldwide.

Looking ahead, the three planned adaptations of "The Hunger Games" novels by Suzanne Collins -- yet another YA-based romance -- will look to crack this list over the next few years. Starring Jennifer Lawrence and Josh Hutcherson, it's a dystopian book with a love story between two contestants in a barbaric battle to the death.

For the rest of the list, click over to Forbes.