The metal detector kept beeping as Spears, 33, tried to walk through it. She first removed her platform sandals and then her aviator sunglasses, but kept failing, reported Aceshowbiz.
The "Pretty Girls" songstress then went through two full body scans before she was finally given clearance.
The "Oops!...I Did It Again" hitmaker who was flying to Manhattan with her two children wore an off-the-shoulder boho blouse paired with striped hotpants and blue platform heels.
She completed her look with a striped red-blue-white canvas bag and white scarf.