I must admitVanessa HudgensandMadison Beerteaming up on a skin-care brand was definitelynoton mycelebrity beauty brandbingo card.

But how did these two stars align?

The 22-year-old singer didn’t deal with the typical pubescent skin woes growing up.

Vanessa Hudgens and Madison Beer posing in matching tan outfits against a tan background

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Instead, acne hit Beer only four years ago.

Everything she tried tobanish her breakoutsfailed.

With the help of dermatologistKaren Kagha, Know Beauty was put into action.

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Madison Beer’s Know Beauty routine

sagging, sunburn, dark spots.

“They trigger enzymes that break down collagen, causing wrinkles and sagging,” Wilson said.

There, you’ll also find its skin-care products, which range from $20 to $30.

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Madison Beer’s Know Beauty routine