The 28-year-old actor well known for his role as Jasper Hale in "Twilight Saga" movie series tied the knot on Sunday, September 29, reported Us magazine.
"It was a small wedding. Just close friends and family only," a source said.
According to reports around 150 guests were in attendance to witness their union.
Rathbone met Hafsadi, a burlesque dancer, in 2011 during a tour stop in Fort Lauderdale with his band 100 Monkeys.
"It was one of those things. I always said I believed in love at first sight, but I never really had that feeling before," Rathbone had earlier said.
"I've been wanting a kid for a long time. I'll have more - probably two or three.