A photo of President Bill Clinton as a kid kicks off this week’s #ThrowbackThursday!

Reese Witherspoon also shared a photo of herself as a kid for the #PuberMe campaign.

Instagram: @reesewitherspoon

Britney Spears posted this photo of herself dressed in the most early-'00s outfit ever.

Instagram: @britneyspears

Naomi Campbell shared a behind-the-scenes clip for the iconic music video for George Michael's "Freedom."

Instagram: @iamnaomicampbell

Rashida Jones remembered the time she visited Chicago on a school trip, in 1991.

Instagram: @rashidajones

Khloé Kardashian honored her late father Robert's birthday by sharing some photos of him.

Instagram: @khloekardashian

Salma Hayek thanked her BFF, Penélope Cruz, for donating to UNICEF's Mexico earthquake relief by posting this photo of the two of them from their film Bandidas.

Instagram: @salmahayek

Orlando Bloom posted this photo of him and Viggo Mortensen doing press for The Lord of the Rings: The Fellowship of the Ring in Cannes, in 2001.

Instagram: @orlandobloom

Kylie shared the cover to her iconic album, Fever, in honor of its 16th anniversary.

Instagram: @kylieminogue

Barbra Streisand posted this photo of her and Robert Redford filming their 1973 film, The Way We Were.

Instagram: @barbrastreisand

John Stamos posted this screen-cap from his General Hospital days in the early '80s.

Instagram: @johnstamos

Ellen shared a few photos of her and Oprah over the years (and a few fakes ones as well, of course).

Instagram: @theellenshow

And finally, Michelle Obama celebrated her 25th wedding anniversary to Barack, by posting this photo from their big day.

Instagram: @michelleobama