Article continues below advertisementKylie Jenner let loose during a wild Coachella weekend with her sister Kendall Jenner.The siblings were all smiles backstage at the concert in Indio, Calif., on Sunday, April 12.Kylie sported a vintage Chanel sheer, lace crop top that exposed her cleavage, while Kendall bared her belly in a white tank top, jeans and a backward black baseball cap.Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: @kyliejenner/InstagramKylie Jenner rocked a vintage Chanel bra.