Emma Watson Images! Actress Emma Watson Wallpapers! Emma's most successful partnership though has been on-screen as she was recently named along with Rupert Grint as the biggest-box office couple. Hermione and Ron's will-they-won’t-they relationship in the 'Harry Potter' saga had fans flocking to the cinema and even managed to knock ’Twilight’ lovers Robert Pattinson and Kristen Stewart into second place.