"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." When it comes to beauty, Jennifer Lopez holds the secret to the ever-so-coveted fountain of youth.

If there's one turn-of-the-millennium trend we thought we'd left behind for good, it's the skinny brow. But just as the it-girls of the '90s and noughties embraced overly plucked and sparse brows — we ...