As one of the biggest stars in the music world, it makes sense that people talk about Beyonce all the time. Between Beyonce's stylish videos and romantic life with Jay-Z, fans want to know everything that they can about the star. She has long been in the spotlight as she started off in Destiny's Child when she was younger and now she's a married mother of three who puts out countless hit songs and has also acted in some interesting movies.

People are saying that Solange and Blue Ivy are sisters, meaning that Beyonce is Solange's mother, not her sister. Let's take a look at why fans believe this.

A Teen Mom?

There are a lot of things about Solange that people don't know and some fans of Beyonce might not have heard the theory that she is Beyonce's daughter.

The theory says that Beyonce gave birth to Solange when she was a teenager. Fans believe that Beyonce's parents, Tina and Matthew, decided to say that they were the mother and father of Solange.

The main reason why some people think this is true is that not everyone believes that Beyonce is actually 38 years old. According to Metro.co.uk, an employee of the Department of Health in Texas says that Beyonce was born in 1974. They said that they came across Beyonce's birth certificate so that's how they know.

An employee at Colombia Records posted on a website called The Truth About Celebrities and explained why they think this way. They said that Solange and Beyonce had babies during their teenage years and wrote, "so as i was saying beyonce's precise birthdate is 9/4/1974. i saw a picture of her driver's license that was on my manager's computer once." This would mean that Solange and Blue Ivy are sisters and that Beyonce has four kids, not three.

According to a NME.com story from 2015, Beyonce's dad, Matthew Knowles, has spoken out that Beyonce isn't the age that she says. He was interviewed on the radio and he said, "[Destiny’s Child] had a competitiveness, LA [Reid] had a girls group but I bet you don’t know who his lead singer was… Pink! She was the exact same age as Beyoncé and there used to be this battle about which group was better. We had Usher, he was the same age. They were all 14 or 15 years old.”

As NME.com explains, Usher's birth date is 1978 and Pink's birth date is 1979. Beyonce's birth date is said to be 1981.

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Beyonce And Gabrielle Union's Friendship

According to Buzzfeed, people are saying that Beyonce is older than she says that she is because she and Gabrielle Union say they were pals back in high school. Union's birth date is 1972.

According to The Daily Mail, Union said in 2008, "Beyonce and I have been friends since we were teenagers. We go to the same hairstylist now and you know how those bonds are! B is such a polite, nurturing person and a joy to work with. It’s easy to work with her because she is a good friend of mine."

Beyonce's birth date is 1981 and she's 38 years old, and Union is 47 years old. There's a nine-year age gap between the two of them, so how could they have been friends when they were teenagers? According to Pop Dust, Union was a teen from the years of 1985 to 1991, and Beyonce would have been four to ten years old. This is definitely confusing as the timelines don't exactly add up.

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Girls Tyme And Destiny's Child

The same person who posted on The Truth About Celebrities mentioned a group that Beyonce was in before Destiny's Child. They said that Beyonce was in a group called Girls Tyme and that people say that she was part of in the mid-90's, but this person thinks that it was actually the mid-80's.

Why? Because Nikki Taylor, who was in the group, has a birth date of 1975. The person wrote, "so youre going to tell me that someone who in 1993 was 18 years old was dancing with 11 year olds....somethings not right with that."

According to Pop Dust, it could be possible that LeToya Luckett, who was also in Destiny's Child, might be older as well. This is because she says her very first concert was Michael Jackson, and it would have been in 1984. If she was actually three years old, how could she remember it? And would her mom and dad really bring her there at that young age?

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It's definitely interesting to hear why some fans think that Solange and Blue Ivy are sisters, although of course no one knows if there is any truth to this.

NEXT: 10 Crazy Facts Fans Didn’t Know About Beyoncé