Instagram star Lindsey Pelas explains in a video for Cosmopolitan that there's a lot of downsides to having big breasts that most people don't realise.

Bigger isn't always better when it comes to breasts.

This is the message being sent out by Instagram star and Playboy model Lindsey Pelas, 24, whose all natural bra size ranges from a 32DDD to a 30H.

The Louisiana native, although proud of her 'genetically gifted' figure, was happy to detail the downsides to having an extremely ample bosom in a video for Cosmopolitan.com.

INSTAGRAM Even in a T-shirt, Lindsey said she tends to accidentally look like a porn star.

"You always look vulgar in regular clothing. It can be a T-shirt, a floral dress, a wedding dress, a nightgown, whatever. When you're busty, you just kind of look like a porn star [by] accident."

A large chest also manages to get in the way of style. Besides the obvious issue — that some dresses and tops don't fit over large breasts — accessories can be problematic too.

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INSTAGRAM The Louisiana-born model is often accused of having had plastic surgery.

"Don't ever try to wear a long necklace if you're busty. No matter what happens, it's gonna go deep into your cleavage and look like a keychain for your nipples."

INSTAGRAM Lindsey posts shots flaunting her breasts on Instagram regularly.

"Another big boob problem is trying to button a blouse. You'll nail the third button, and then you'll get the first button, but the second one leaves you wide open and a huge shot at your cleavage," she lamented.

According to Pelas, exercising was no walk in the park either.

"No matter what you do when you exercise, you're gonna bounce."

Not only could this be incredibly uncomfortable, but it also resulted in some unwanted attention when you were sweating up a storm.

"Boob sweat is a daily occurrence."

Pelas revealed she used deodorant in her cleavage to combat the problem, whereas some women used it under their breasts.

Some of these shortfalls guaranteed that Lindsey didn't choose for her breasts to be as quite big as they turned out to be.

Despite them being a natural occurance, her breasts were often the subject of suspicion by the public.

"People always assume your boobs are fake," she said. "Why would you get them done so big?' 'Who in their right mind would get DDDs?"

"Even something as simple as buckling a seat belt can be a real pain when you have large boobs. I don't know who's making those things, but imagine a seat belt so tight on your manhood that it impairs your driving."

Pelas does admit that there are upsides to having large boobs.

Women with big breasts can hide almost anything in their cleavage, from phones to money to makeup.

For that reason, she calls it 'Mother Nature's pocket'.