Trying to hide the real price of wedding expenses is a huge red flag.

It's no secret that weddings can be insanely expensive. coolnina/ iStock

Between the cost of flowers, food, and fancy outfits, getting married can hit your bank account hard.

However, wedding planner Lynne Goldberg told Insider that when one partner tries to hide the true cost of wedding expenses from the other, it's almost always a sign there will be future conflict.

"I have had people ask me to lie and tell their partner that the flowers or the photographer cost less money than they really do and ask to pay the difference secretly, so their partner would not know the real cost of the vendor. If there are secrets about money going into the marriage, there is a good chance there will be secrets during the marriage," said Goldberg.

If wedding expenses are stressing you or your partner out to the point where you're considering lying, it may be time to take a step back from party planning and work to get on the same page about money and communication.