1. Kate Hudson used this photo of her iconic Almost Famous character, Penny Lane, to remind everyone to vote:
2. Nick Jonas announced the news of the new Jonas Brothers Christmas song, "I Need You Christmas," by posting this photo of himself, Joe, and Kevin as kids during Christmas — as well as photos of themselves with their family during a recent Christmas.
3. In honor of Kendall Jenner's 25th birthday, Kim Kardashian shared this photo of the two of them in 1996:
4. Janet Jackson celebrated Nelly's 46th birthday by posting this photo of the two of them on the set of the music video for their 2006 single, "Call Me":
5. America Ferrera shared this cute photo of herself in her elementary school parade in the late '80s:
6. Demi Lovato remembered some of her favorite past Halloween costumes:
7. Martin Lawrence posted this clip from Martin in honor of the holiday:
What would y’all do if Roscoe showed up at your crib doin this!? #teammartymar #martin #halloween #fbf
8. Ronan Farrow shared this photo from when he dressed as an ol' timey newsboy for Halloween:
9. Naomi Campbell posted this clip from when she appeared on the Halloween episode of the Late Show with David Letterman in 1995:
10. Michelle Pfeiffer celebrated Halloween by looking back at some of the villains she has played throughout her career:
11. Natalie Portman shared this photo from when she dressed up in this costume that's open to interpretation:
12. Billy Ray Cyrus posted this photo of his kids Miley, Braison, Noah, Brandi and Trace Cyrus on Halloween night in the early '00s:
#FBF Happy Halloween weekend! @MileyCyrus @BraisonMusic @noahcyrus @BrandiCyrus @TraceCyrus
