The 2017 Bachelor winner was dressed in a pretty blue floral We Are Kindred dress - and peaking in the tummy area was what appeared to be a small bump.
The designer's glowy natural make up only furthered speculation that she may be expecting.
Laura then added more fuel to the fire when other guests noticed she turned any alcoholic beverages.
"Laura wasn't drinking at the event like many other guests and didn't talk to media," one attendee told Daily Mail.
Earlier this year, Matty J told WHO that he and Laura definitely wanted kids in the immediate future.
"I'm hoping in 12 months' time we'll be looking to start a family," the former Bachelor star announced.
"Laura's definitely the person I want to have a family with, but we're just so busy."