The most romantic songs of all time, according to Billboard, are "Endless Love," "I'll make Love to You," "We Found Love," "How Deep is Your Love" and "Silly Love Songs." A full top 50 list of the best love songs of all time is available on Billboard's website.
"Endless Love" by Diana Ross and Lionel Richie was the number-one single for nine weeks in 1981. The song began as an instrumental requested by Director Franco Zeffirelli and eventually evolved into a duet with lyrics. "I'll Make Love to You" by Boyz II Men was number one for 14 weeks in 1994 and was composed by producer Babyface.
"We Found Love" by Rihanna was number one for 10 weeks in 2011 and features lyrics about finding love in a "hopeless place." The song was Rihanna's fourth Hot 100 song to feature "love" in the title. "How Deep Is Your Love" by the Bee Gees held the number-one spot for three weeks in 1977. The song was written for the movie "Saturday Night Fever" before the Bee Gees even knew there was a love scene in the film. "Silly Love Songs" by Wings was the number-one single for five weeks in 1976.