Brown spotting a week before AF

Nicole • 11 years together 👫 10 years engaged 💍🌈 Hayley 👩‍👧
Hey ladies, my partner and I did a lot of baby dancing this month. Tonight after I went to the toilet I noticed some brown spotting. According too Glow AF isn't meant to arrive for another 8 days. Could this be egg implanting or just the show?