Forget pumpkin spice, Xtina is all about slime green. Don't tell Christina Aguilera that it's too early to be in the Halloween spirit. The diva shared a new photo to her Instagram Stories today ...

Kayla Oaddams/WireImage Christina Aguilera knows how to make an entrance ... that Had Its Own Escort Oprah’s Monochromatic Sage Green Outfit Is the Breezy Look You’ll Wear All Spring ...

Christina Aguilera just popped on Instagram more evidence that experimental hair is the way forward – natch. And by experimental hair, I'm referring to her newly coloured neon green locks ...