"Even though Jessica wants Nick to be happy, this is a very difficult time for her," People mag quoted a friend of Simpson's as saying. "Nick was the love of her life then, and he was her first, so, he will always have a very special place in her heart for him. She's deeply saddened."
According to an insider, the singer-actress has yet to contact Lachey to say congrats, and it's possible it may stay that way for a while, for fear she may not come off as sincere. "If you can't say something nice, it's better to say nothing at all," the insider added.