Kristen Stewart turned 30 on April 9, and her girlfriend, Dylan Meyer, posted an Instagram tribute to the actress.Meyer called Stewart, "my absolute favorite person."Stewart and Meyer have been linked since August 2019 when they were spotted kissing in New York.Kristen Stewart just turned 30, and her girlfriend has been helping her celebrate.Stewart is dating screenwriter Dylan Meyer, and has already hinted that she hopes to propose to her beau.