Kylie Jenner Has Gone Blue Again! So Stunning!

The "Keeping Up With the Kardashians" star debuted her pale blue hair with black roots on Thursday night, while promoting her hair extensions line at the launch of Bellami Beauty Bar in West Hollywood. 

The 17-year-old beauty paired her bold 'do with a deep plunging white jumpsuit, which showed some serious cleavage. She completed her racy red carpet look with a diamond choker, blue nails and a metallic box clutch.

See more photos after the cut...