According to US Weekly, the Single Moms Club director announced the news at his 45th birthday party at his home in Atlanta on Monday.
Speaking to the publication, a source said: “They are overjoyed and really, really happy.”
“He was so happy in the moment so he told the guests.”
Tyler pictured with girlfriend Gelila
Friends in the home at the time includes singers Monica and LeAnn Rimes, as well as the legendary Stevie Wonder who reportedly sang Happy Birthday to the star.
Perry will soon be seen in the hotly anticipated film adaptation of Gone Girl, where he is set to play Tanner Bolt, a lawyer engaged by Ben Affleck’s character Nick.