1. Zac Efron went on a haunted hayride with Brittany Snow and Derek Hough:
2. Lady showed off her new wig and nose ring:
3. Mae Whitman got a kiss from Dax:
4. Miley partied as the photographers looked on:
5. Justin Bieber showed off his blossoming buffness:
6. Miley rode another wrecking ball:
7. Harry Styles was a fighting Kangaroo:
8. Lena Headey had extra long legs:
9. Selena Gomez met her fans:
10. James Franco got up close and personal:
11. Shaq "sang" a song:
12. Kim and Khloe had a sisterly moment:
13. Ke$ha showed off her new kat:
14. John Stamos took a creepshot of a beach boy:
15. Beyonce performed Instagramception:
16. Mindy Kaling hung out with her boys.
17. Maisie Williams realized how tall Isaac has gotten:
18. James Van Der Beek tried physics and failed:
19. And Oprah used a computer:
