Sorry ladies, but things are getting serious between Robert Pattinson and his musician girlfriend FKA Twigs.

A source told E! News that the 28-year-old "Twilight" actor gave his girlfriend a promise ring back in December and "she was ecstatic to get it." The actor reportedly made the announcement to a few selected friends during an "I-want-to-marry-you-dinner."

Although not officially engaged, a source claimed that the "Water for Elephants" star told his friends about his plans to propose to his ladylove, whose real name is Tahliah Debrett Barnett, once she has completed her tour this summer and he has wrapped up his projects. 

People Magazine reported that the both Pattinson and FKA are sporting similar promise rings.

"He wants to marry her," a friend of the couple told People. "[He's] much more calm and happy than before. They are inseparable when they are together. They live at his house."  

The romantic gesture comes after only eight months of dating, following the actor's second split with former girlfriend Kristen Stewart in 2013. The couple were first spotted holding hands in Venice Beach, California last September.

During the holidays, Pattinson introduced the singer to his parents in England. A family friend told E! News that, "FKA is not as clean-cut, but that makes her more fun." They were last spotted out and about after the Brit Awards last month.