1. Booking too late. The best bridal mehendi artists in any city get booked out weeks in advance during wedding season. Waiting until the last two weeks limits you to whoever's still free - not necessarily who's best. 2. Not checking a real portfolio. Booking based on a single Instagram reel or a friend's recommendation without seeing a broader body of work is one of the most common regrets brides report afterward. 3. Underestimating the time needed. Full bridal mehendi genuinely takes 4-8 hours. Brides who schedule it too close to the ceremony end up rushing the artist or wearing an incomplete design. 4. Not doing a patch test. Skin reactions to mehendi paste (especially adulterated "black henna") are avoidable with a simple patch test 24-48 hours before the big day - skipping this is a common and entirely preventable mistake. 5. Vague design briefs. Telling an artist "just make it nice" instead of sharing reference photos or discussing style upfront often leads to a result that doesn't match what the bride pictured. 6. No backup plan. Not having the artist's direct contact number, or a backup artist in mind, leaves no room to react if there's a last-minute delay or cancellation. 7. Ignoring aftercare instructions. Rushing to wash hands, wearing tight clothing over wet mehendi, or exposing hands to water too soon fades the colour dramatically - after hours of application, this is the easiest step to get wrong. Most of these come down to the same root cause: treating mehendi booking as an afterthought instead of planning it with the same care as the rest of the wedding. A little advance planning avoids nearly all of them.