Sweats For Everyone

Did fasion trends change that much and I was not alerted? Is it the newest thing to wear pajama pants and slipper type shoes out in public? I am talking about tweens, teens and adults alike.
I have noticed this new fashion trend recently and I cannot imagine how anyone leaves the house like that, nevermind letting their child leave the house in glorified pajamas. I gave up when people let their preteens wear sweatpants with words on their asses, like Pink, cheer or slut.

Anywhoo, yesterday were my twin's fourth birthday. We had a small party for them with just my mom, sioster and her family and my sister in law and her two kids. R & L had a blast, the cakes they picked out were a hit, and so were the balloons we bought them.
They received a lot of nice gifts and now officially have more clothes then me. The first snow of the year fell here last night and although it was nothing much more then a dusting, the kids were so happy to see it this morning. They have been asking me for snow for a month now, which is both flattering that they think I control everything and sad, that I can't control everything, although I try.
Believe me, I try.