Up ahead my son-in-law to be was beaming是什么意思啊

Up ahead my son-in-law to be was beaming是什么意思啊
是在这段里面的：
Walking your daughter down the aisle toward what you perceive to be is the wrong guy for her is a horrible feeling.I looked over at her face and she was beaming.Up ahead my son-in-law to be was beaming.I smiled brightly for the photographer and found myself thinking I could pull Jenny off of there and bring her back home and find her a real man.My wife must've read my mind because I received some disturbing looks from her.