Article continues below advertisementTaylor Swift is marking a major milestone, and doing it completely glam-free.After "Opalite" climbed to No. 1 on the Billboard Hot 100, the 36-year-old superstar shared a series of intimate behind-the-scenes moments from the making of the hit track, including a rare makeup-free clip straight from the recording studio.Article continues below advertisementMake-Up Free PostSource: @taylorswift/InstagramTaylor Swift ditched the glam and embraced her natural curls while celebrating 'Opalite' hitting No. 1.