I mean, if you’re goal is to give her a zinger, then go for it, although it reeks of senior year. And by that I mean high school. But if it’s just an honest statement in an attempt to update her on your life and where you’re at, try to be a little more sensitive. She was your girlfriend at one point in your life and this can be perceived as “Whew! Glad that’s over!” Unless it’s 20 years on, and she’s, like, meeting your kids, this isn’t an idle observation to relay while standing next to a jukebox.