By Breaking Celebrity News Staff

Would you let your 15-year-old daughter expose her lacy bra?

Reality television’s most famous momager, Kris Jenner chaperoned her youngest daughter Kylie at the Justin Bieber concert at Staples Center in Los Angeles on Tuesday night, allowing her youngest spawn to leave the house in a very mature and sexy ensemble – and Breaking Celebrity News has the photos.

Kylie, who doesn’t yet have a driver’s license but is already a professional model, was dressed up like one of her older sisters for the big concert, wearing ski