Astrology has been a part of pop culture for years, but TikTok has taken it to a whole new level. If you’ve spent any time on the app recently, you’ve probably seen videos about the "Big 3" – a reference to a person’s Sun, Moon, and Rising signs. While astrology enthusiasts have always valued these placements, TikTok has turned them into a viral sensation, with countless memes, personality analyses, and comedic skits breaking down what it means to be a certain zodiac combination. But why is this trend so popular, and what makes the "Big 3" such a big deal?

What Are the ‘Big 3’ in Astrology?

Before diving into the TikTok craze, it’s important to understand what the "Big 3" actually represent in astrology:

• Sun Sign – Your core identity, ego, and general personality. This is the sign most people are familiar with and is based on your birth date.
• Moon Sign – Your emotions, inner world, and how you process feelings. The Moon sign is determined by where the Moon was at the time of your birth.
• Rising (or Ascendant) Sign – The way you present yourself to others, your first impressions, and how people perceive you. It’s based on your exact time and place of birth.

Together, these three signs create a more detailed picture of a person’s personality than just their Sun sign alone. That’s why so many people on TikTok are obsessed with finding out (and joking about) their full astrology profile.

How the ‘Big 3’ Trend Took Over TikTok

Astrology content has always been popular online, but TikTok’s short-form video format has given it a fresh, engaging twist. The "Big 3" trend exploded thanks to relatable and humorous content that simplifies astrology in a fun, entertaining way. Some of the main types of videos driving this trend include:

• ‘Big 3’ Personality Stereotypes – Creators break down different astrology combinations, often with exaggerated but funny descriptions. For example, someone with a Leo Sun, Scorpio Moon, and Gemini Rising might be called "dramatic but secretive, yet also chaotic in public."
• ‘Big 3’ Meme Formats – Users share their Big 3 in creative meme formats, comparing them to characters from TV shows, animals, or even chaotic situations. These videos help people understand astrology in a lighthearted way.
• ‘Guess My Big 3’ Challenges – People ask their followers to guess their Big 3 based on their personality, reactions, or life choices. This invites engagement and makes astrology feel more interactive.

Why People Love the ‘Big 3’ Trend

There are a few key reasons why this trend has resonated so strongly with TikTok users:

1. It Makes Astrology More Personalized

Many people know their Sun sign, but the Big 3 allows for a deeper, more customized perspective. Instead of just identifying as a Sagittarius, someone might say, "I’m a Sagittarius Sun, Virgo Moon, and Aquarius Rising," which adds complexity to their self-description.

2. It’s Fun and Relatable

The way people describe different Sun-Moon-Rising combos makes astrology feel more accessible and entertaining. Even if you don’t take astrology seriously, the memes and videos can still feel surprisingly accurate and hilarious.

3. It Encourages Self-Discovery

A big part of astrology’s appeal is the idea of understanding yourself better. The TikTok trend inspires people to look up their Moon and Rising signs, leading to deeper self-reflection and fun conversations with friends.

4. It Builds Community

TikTok thrives on trends that bring people together, and astrology is a perfect topic for community-building. People love commenting on videos saying, "Omg, I have the same Big 3!" or debating whether certain signs really match their descriptions.

The Most Viral ‘Big 3’ Memes

Some of the most popular memes within this trend include:

• Zodiac Combos as Popular Characters – People match astrology placements to characters from shows like Friends, Euphoria, or Harry Potter.
• ‘Chaotic Energy’ Rankings – TikTokers rate different Big 3 combinations from "most stable" to "absolute disaster."
• Celebrity Big 3 Analyses – Users break down the Big 3 of famous people like Beyoncé, Taylor Swift, or Timothée Chalamet, comparing their personalities to their astrological charts.

Will the ‘Big 3’ Trend Last?

While social media trends come and go, astrology has been around for centuries. The Big 3 trend has staying power because it’s not just a joke—it taps into people’s curiosity about themselves. Plus, as long as TikTok keeps evolving, astrology content will likely keep adapting to new formats.

Even for those who don’t believe in astrology, the humor and creativity behind Big 3 memes make them hard to ignore. Whether it’s a brutally accurate description of your personality or a hilarious comparison to a fictional character, the trend is here to stay—at least for now.