A lot of television personalities and reporters are currently working from home due to the Coronavirus.
He was broadcasting from home, and though he looked very nice in a button down shirt and jacket, he decided that since nobody would be able to see his legs (he thought), dressing his bottom to match his top wasn't necessary. Unfortunately, we could see it all, and we could see that Reeve decided to forgo wearing pants for the duration of his broadcast.
You can even see host Amy Robach struggle to ignore Reeve's missing pants!
Fortunately, Reeve has seemed to taken his newfound fame in stride!
Via Mashable