The on-off couple are the hottest duo after raking in USD 625 million for the its franchise.
'The Vow' couple Channing Tatum and Rachel McAdams, who brought in USD 125 million, were in the charts at the number two spot.
Robert Pattinson and Kristen Stewart
Forbes editors compiled the list using the top money-making romantic movies over the past three years.
The top two leading men that landed on the list twice were Pattinson and Reese Witherspoon.
Also making to the top 10 were Miley Cyrus and Liam Hemsworth, who met and fell in love while filming 'The Last Song', and Zac Efron and Taylor Schilling, whose love scenes in 'The Lucky One' earned them a spot at number nine.