Meet Bianca Murray and Paddy Lijnders — two of Delta Goodrem's biggest and most loyal fans.
For a bit of fun, we decided to challenge them — alongside Delta herself — to see who scores the highest and ultimately knows Delta the best.
View this video on YouTube
But, before you go ahead and watch the video, why not take the quiz yourself, so you can compare your results to Delta, Bianca and Paddy.
Alright, now it's time to watch the video and compare your results to Delta, Bianca and Paddy!
Plus, if you're in the mood to listen to more Delta, be sure to check out her latest song, "Billionaire", and her album, Bridge Over Troubled Dreams.