Fans have spotted an unusual detail in Andy Lee and fiancée Rebecca Harding's home as Rebecca gave fans an update on their Ravenswood build. Two years ago, The Hundred host and Rebecca purchased 'Ravenswood' – a beautiful Melbourne River property built in 1876. Catch up on the latest episodes of The Hundred with Andy Lee on 9Now.

The couple have documented their renovation journey and taken fans along for the ride. In the most recent house tour video shared by Rebecca, fans caught sight of something unusual on the walls of the home in a blink and you'll miss it moment. Can you spot what fans did by watching the video above? As Rebecca gave a tour of the build in progress, one keen-eyed follower noticed what appeared to be the Olympic rings painted on the wall.

"Olympic rings on the wall. What's going on there 😂," they wrote. The reason for the Olympic rings being on the wall remained a mystery.

READ MORE: Andy Lee reveals hilarious way they almost lost fiancée Bec's engagement ring  Nevertheless followers were delighted as Rebecca gave a full walk-through of the front entrance which would feature an epic circular driveway and show-stopping spiral staircase.  "As you can see a lot has changed since we were last here," Rebecca said. WATCH: Sneak peek for new season of The Hundred teases host Andy Lee is taking on a new mission Fans were keen to see Andy and Rebecca's vision come to life.

"So invested in the progress of this reno, it's not normal. Ther.