If there’s anything the internet has proven, it’s that we’ve all secretly lived the same life. You may think that your innermost quirks are unique to you, but chances are, there’s someone out there ...

Is this a new sisterly rivalry? A new TikTok trend, #pinksisterpurplesister, has siblings divided over whether they are the “pink sister” or “purple sister,” with each color identifying different ...

In a new sibling trend, sisters on TikTok are identifying themselves as either the “pink sister” or the “purple sister” — but what exactly is the “pink vs. purple sister” theory, and where did it come ...