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Flash back over 10 years ago and dark brown lip liner was an essential tool in anyone's makeup bag. In fact, the starker the contrast between your lip liner and lipstick colour the better. (Post continues after gallery.)
Unsurprisingly, Lopez was an such a champion of the bold lip look through the nineties and early 2000s, that the "J-Lo Lip" was the most requested makeup look, according to makeup artist Ashley Ciucci.
While it seems to go against every lipstick tip we use today, the 46 year old still manages to make it look awesome. The secret? Keeping the tones as similar to your natural colouring as possible.