"We have no idea [when we'll get married]", the 21-year-old singer admitted on Wednesday.
"We're just going with the flow, we're just happy to be engaged and enjoying it."
Perrie was speaking at the Cosmo Awards, which she attended with her friends and bandmates, Jade Thirlwall, Jesy Nelson, and Leigh-Anne Pinnock.
She added: "And yeah, we'll get there eventually when we're not too busy to make it perfect."
At least Perrie and Zayn seem to be on the same page, with Zayn revealing less than a month ago that the pair "haven't really thought about the wedding side of things or how we're gonna do that."
Perrie with her bandmates at the Cosmo Awards
Speaking to BBC Radio 1, he added: "We haven't really had any time to sit down and organise that."
One thing Perrie does know though is what kind of dress she wants to walk down the aisle in. "I definitely want long sleeves," said Perrie earlier in 2014.
"I know exactly what I want, so I'm designing it and getting it made from scratch."