Robert Pattinson has been happily dating Tahliah Barnett AKA FKA Twigs for months, and a source just revealed the real reason why the "Twilight" star and "Two Weeks" singer are madly in love with each other.

According to a report from E!Online, the two's shared passion for music has bought them closer to each other.

"Music is a big part of the relationship, because it means to much to them," an insider revealed about Robert Pattinson dating Tahliah Barnett AKA FKA Twigs.

"There is a special connection between the two of them... They clicked instantly and they literally have become inseparable."

After being introduced by friends Sienna Miller and Tom Sturridge, R.Pattz and Twigs haven't left each other's side because they both love music. Rob has been following her around on tour, according to the report.

E!Online also recalled how the hunk actor got smitten by the electro pop singer after watching her concert for the first time.

"Rob loves her music," the insider added.

Amid the criticisms that she's a bad influence, Robert Pattinson continues to date Tahliah Barnett AKA FKA. The English movie star was dissed by several people for an unusual new haircut, which his eccentric singer-girlfriend reportedly likes.

"She inspired him to do it," the source said, showing that Robert Pattinson is simply too happy with dating Tahliah Barnett to care about the opinion of haters.

News about how the two's relationship is going strong follows a recent report from Hollywood Life about Robert Pattinson's ex-girlfriend, Kristen Stewart .

The "Twilight" lead actress predicted that Robert Pattinson won't be dating Tahliah Barnett for long. "(Kristen) is convinced this is just a fling," a source said.

The insider added that Kristen Stewart allegedly thinks that the controversial couple will break up soon, and that the electro pop singer will be the one to cause the split. "(FKA Twigs) will grow tired of Rob within half-a-year," the insider said. "Kristen just can't see the relationship lasting."