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Boo! Watch Britney Spears' son Jayden scare her in adorable prank

/ Source: TODAY

Oops, he did it again!

Britney Spears' mischievous sons, Sean and Jayden Federline, love scaring their famous mom with their devious pranks — and now little Jayden has spooked the poor pop star again.

The "Piece of Me" singer, 36, took to Instagram on Monday to share a video of her younger son's more recent high jinks.

“I just stole Mom’s phone,” the 11-year-old whispers to viewers in the short clip. “She got back from shopping, and she forgot it while she went shopping. So I stole it, and I’m gonna scare her with it.”

Jayden prowls quietly around a corner to his mom's walk-in closet and then pounces at Spears while belting out a scream.

"Jayden! Not funny!" Spears says while wagging her finger at him.

Sneaky Jayden and his big brother, Sean, 12, frequently work together to frighten their mom — and she's often game enough to share the video evidence. In September 2016, Spears shared a clip of the devious duo scaring her so badly, she tumbled to the floor.

"Preston!" she screams as the boys laugh.

In May 2017, the brothers snuck up on Mom as she cooked in the kitchen, and a frazzled Spears can be seen jumping in fright at the stove.

The singer captioned that last funny clip, "Pay back is a ....... well, I think you know, my friends."

Here's hoping Spears one day shares a video of her sweet revenge!