Justin Bieber .

Age: 23 years.
Height: approximately 1.65 m.
Body type: small/medium build and healthy appearance; it does not need to be reduced to specific body measurements.
Face: oval, with soft cheeks, delicate jaw and visible cheekbones.
Hair: Dark brown, generally long in 2015, although during the Revival era she also wore shorter styles and different hairstyles.
Eyes: dark brown.
Eyebrows: dark and defined.
Skin: light/medium tone.
Distinctive features: defined lips, large eyes, and a small visible mark/mole near the face.
Tattoos: By 2015 he already had some small tattoos, including a musical note on his wrist and the Arabic tattoo he got earlier; several of his later tattoos did not yet exist.

Age: 21 years.
Height: around 1.75 m (published figures vary).
Body type: slim and athletic, with relatively narrow shoulders and defined arms.
Face: face more elongated than during his adolescence, marked jaw and visible cheekbones.
Hair: light brown, quite abundant, usually long on top and styled back or disheveled.
Eyes: light brown/hazel.
Eyebrows: thick and fairly straight.
Skin: fair.
Facial hair: he was starting to grow some beard/mustache, although generally quite short.
Visible tattoos: He already had numerous tattoos on his arms, chest, abdomen, neck and legs, including the chest cross, the owl, Believe, Trust, Forgive, Patience, Yeshua and the portrait of Jesus.