Kat Dennings' new manwas a choice that surprised many.Andrew W.K., one of the harder-to-figure out celebs.
After that, he seemingly settled down as a middle-aged motivational speaker.
What would be the next logical step in such an evolution?

Why, getting hitched to Josh Groban’s ex, of course.
But how much did hermillionaire fiancedrop on the beautiful diamond setting?
so you can get some answers, The List turned to our go-to gemologist, Kimberly Abruzzo.

’s ring based on the pics that have been posted.
She estimates that the center stone weighs a respectable four carats.