Popsugar Celebrity Award Season Christina Aguilera at the Billboard Music Awards 2018 Christina Aguilera Looks Like a Sexy Schoolteacher at the BMAs, and We Deserve Detention 21 May 2018 by Terry Carter Image Source: Getty / Jon Kopaloff Listen up, kids: class is now in session! Just take one look at Christina Aguilera's sexy look at the 2018 Billboard Music Awards and you'll see why. The "Accelerate" singer graced the red carpet in a black and white stripped number that reminded us of the school teacher we wish we had when we were in primary school. Christina paired her made-to-be-seen outfit with black heels, but she didn't let her bold ensemble stop her from having fun on the carpet. The 37-year-old mom of two got playful with her poses, even making silly faces in a few snaps. There's the Xtina that we know! Keep reading to see more of Christina's night at the BMAs from every angle. Related: Announcing the Winners of the 2018 Billboard Music Awards! Image Source: Getty / Frazer Harrison 1 / 13 Image Source: Getty / John Shearer 2 / 13 Image Source: Getty / John Shearer 3 / 13 Image Source: Getty / Frazer Harrison 4 / 13 Image Source: Getty / Frazer Harrison 5 / 13 Image Source: Getty / Frazer Harrison 6 / 13 Image Source: Getty / John Shearer 7 / 13 Image Source: Getty / Kevin Mazur 8 / 13 Image Source: Getty / Frazer Harrison 9 / 13 Image Source: Getty / John Shearer 10 / 13 Image Source: Getty / Jon Kopaloff 11 / 13 Image Source: Getty / Frazer Harrison 12 / 13 Image Source: Getty / Jon Kopaloff 13 / 13 Award SeasonBillboard Music AwardsChristina AguileraRed CarpetMusicCelebrities