[Your letterhead, if desired; if not, your return address]
[Date of letter-month, day, and year]
[Recipient's first and last names]
[Company name]
[Street or P.O. box address]
[City, State ZIP code]
Dear [recipient's name]:
My mom just told me the most exciting news that I have heard all year-you're engaged! Congratulations! I am so happy for you and Mark that I can hardly contain myself. I have always been so inspired and encouraged by your strong relationship and know your marriage will be happy and fulfilling.
I hear there will be an engagement party coming up sometime this month, so I look forward to hearing all the details about that. I for sure plan to be there to help you celebrate. If you have a moment, feel free to call me so I can congratulate you over the phone. Like I said, huge congratulations are coming your way from me. Looking forward to hearing more!
Sincerely,
[Signature]
[Sender's first and last names]