5.Sofia Vergara shared this stunning photo of herself taken 20 years ago:
6.Naomi Campbell posted this clip from when she opened the Anna Sui Spring 1999 runway show (in 1998):
7.Legendary photographer Mick Rock shared this photo he took of Madonna in 1980:
8.In honor of his 77th birthday, Paul McCartney posted this photo of himself from the '70s:
9.Kim Kardashian West paid tribute to her father, Robert, by posting this photo of the two of them in the late '90s:
10.Lin-Manuel Miranda remembered when he appeared on the cover of Manhattan Times in 2008 to promote his show In the Heights:
11.Salma Hayek shared this Polaroid that was taken during an audition in the '90s:
12.Cindy Crawford posted these photos of herself during her '90s MTV days:
13.And finally, Anderson Cooper paid tribute to his mother, Gloria Vanderbilt, who died this week at age 95, by sharing these photos of her from throughout her life: