"Trends" Natural Recordings by Native Speakers
A pattern or direction of change, especially one that is currently fashionable or popular: "The latest trends in fashion are all about bright colors and bold patterns."
In another sense, a trend can also refer to a statistical tendency or direction of change in a set of data or numbers over a period of time.
For example: "The trend in sales figures for the company has been increasing steadily over the past quarter."
In dictionary, "trendily" is an adverb. It means in accordance with the latest fashion or style.