The singer worried several fans Monday after posting a video of herself on Instagram dancing in her home with two very sharp-looking kitchen knives.<br />Spears, 41, performed the dance to an unknown song in the entrance of her California home clad in a salmon-colored polka dot crop top and white bottoms.<br />“I started playing in the kitchen with knives today,” wrote Spears in the caption. “Don’t worry they are NOT real knives.”<br />“Halloween is soon,” added Spears.
