I mean, do I even have to explain why?
Just look at the flawless form she shows while holding her glass of wine...in front of her flawless form. You've even got to give it up to her for the cleverness of the caption she included: "Life is good."
Nasir Jones couldn't have said it better himself. And if you think life is good now, Miss Menounos, just wait until you're Mrs. D.E.F.I....
...or when you're eventually ex-Mrs. D.E.F.I. That, I'm sure, will be pure ecstasy.