2.Oprah celebrated the 25th anniversary of her book club by sharing a few photos from its early years — including one where she had a sleepover with the iconic Maya Angelou in 1997:
4.In celebration of Batman Day (yes, that is a thing), Gal Gadot posted this video clip of herself trying on Ben Affleck's Batman mask during the filming of their 2017 film, Justice League:
6.Michael Imperioli remembered his Sopranos costar James Gandolfini — on what would've been his 60th birthday — by sharing this photo of the two of them at the 2003 Emmys:
10.Mariah Carey celebrated the 24th anniversary of her classic album Butterfly by sharing the video clip of herself performing the title track from it on SNL in 1997:
13.While Diane Keaton was ready for layers weather and shared this photo montage of herself wearing her signature layered outfits throughout the years:
19.And finally, Britney Spears remembered her legendary appearance at the 2001 VMAs and the pre-show, where she not only wore one of her favorite dresses ever, but also met Mick Jagger: