Watch Justin Bieber cry during a performance of 'Purpose'
Watch Rihanna cry while performing 'Love The Way You Lie'
This video of Britney Spears weeping over her dog eating her cheese is everything
Family extremely offended after neighbors leave nasty note about their crying baby
Kelly Clarkson brings 'American Idol' judges to tears with emotional performance of 'Piece by Piece'
The biggest sign it's time to quit your job
New research ends age-old debate: Will you spoil your baby if you pick it up each time it cries?
App claims to decipher your baby's cries
Woman Crying About Father's Heart Attack Removed From Southwest Flight
The most valuable natural resource: Tears