Instagram Round Up: Celebrity Moments At The Billboard Music Awards 2015

The star-studded Billboard Music Awards brought (even more) glitz and glamour to the MGM Grand in Las Vegas last night. With the premiere of Taylor Swift's anticipated Bad Blood music video and performances by Britney Spears and Iggy Azalea, the 2015 awards show was nothing less than a success. From pre-show pics to backstage style, relive the night with our favorite celebrity Instagram moments.