Trending 2021 Fashion Trends Casual Plus Size : The most current fashion trends are those that feel easy to wear but still look as though you made just enough effort to do whatever it is you do during these strange, strange days and nights. Fantastical fashion has returned to earth with honest clothes that have a practical magic about them. 2021 Fashion Trends Casual Plus Size : Let's see what trends and ideas are in plus size fashion 2021.