《诚邀挚友共赴生日之约：[具体时间]于[详细地点]，盼君赏光》

Subject: Join Me for a Birthday Celebration! Dear [Friend's Name], I am thrilled to invite you to my birthday party! It's not every day I get to celebrate another trip around the sun, and I can't think of a better way to do it than with my dear friends. The party will take place on [Date] at [Time]. We will be gathering at [Venue Address] to enjoy some good food, music, and each other's company. Your presence would mean the world to me. Please let me know if you can make it! Warmly, [Your Name]