1.Emma Watson was definitely feeling the fall wind in her hair and shared two photos — One taken of herself alongside Daniel Radcliffe and Rupert Grint on the set of 2001's Harry Potter and the Sorcerer’s Stone, and another from a photo shoot for the UK’s Wonderland magazine in 2014:
2.Reese Witherspoon was also feeling the fall "sweater weather" and posted this pretty photo of herself taken for Marie Claire in 2013:
3.David Beckham remembered when he scored the free kick against Greece that secured England's qualification for the 2002 World Cup, back in 2001:
4.Michelle Trachtenberg shared this photo of herself in the late '80s, in honor of her 33rd birthday:
5.Janet Jackson celebrated the 23rd anniversary of her first greatest hits album, Design of the Decade, by posting the album art for it:
6.Keith Richards shared this photo from recording of the Rolling Stones' classic, “Sympathy for the Devil”:
7.Magic Johnson posted this photo of himself and Madonna hanging out at a Knick's game in 1994:
8.Susan Sarandon shared this photo of herself and Brooke Shields at the Cannes premiere of their film, Pretty Baby, 40 years ago:
9.Mia Farrow posted this behind-the-scenes photo of herself and her co-star, John Cassavetes, on the set of their iconic 1968 film, Rosemary's Baby:
10.Alessandra Ambrosio shared this photo of herself (pretty in pink) at an amfAR event earlier this year:
11.Michael B. Jordan did double duty, posting both a #TBT and a #ThirstyThursday photo with this behind-the-scenes pic of himself taken on the set of Creed II:
12.And finally, Mariah Carey reminded everyone to register to vote by sharing this photo of herself taken for the "Vote or Die!" campaign in 2004: