When it comes to summer beauty, Christie Brinkley proves that less is more. In an Instagram video, the model shared her warm-weather must-haves, which included the Lancôme Brow Shaping Powdery Pencil.

Did you know that our eyebrows can thin as we age? This may just be why the naturally bushy brow trend is showing no signs of slowing down--a fuller look can actually make you look younger! And we can ...