Eyeliner is notoriously hard to get right and there's nothing that ruins a wow-worthy defined look than a badly-applied line.
Hannah Martin, pro make-up artist for Bobbi Brown UK, gave us a piece of advice for nailing it, every time.
The best thing about it is you can do it yourself at home.
Watch the video and find out how to get a 'strong, perfectly defined liner look'...
For more beauty, skin and hair advice, check out our Best Advice We've Ever Heard videos and you'll have your head-to-toe look perfected in no time.