Celebrity·Posted on Sep 19, 201417 Celebrity Instagrams You Need To See This WeekYou just HAVE TO.by Lauren YapalaterBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. Justin Bieber became a chef. View this photo on Instagram 2. Miley Cyrus got a little nerdy. View this photo on Instagram 3. Sarah Jessica Parker met Sam Smith. View this photo on Instagram 4. Oprah Winfrey tried on some new glasses. View this photo on Instagram 5. Barbra Streisand hit the studio. View this photo on Instagram 6. Kim Kardashian hugged a koala. View this photo on Instagram 7. Reese Witherspoon posed next to an American classic. View this photo on Instagram 8. Lady Gaga sat on some marble. View this photo on Instagram 9. Mindy Kaling held some jam. View this photo on Instagram 10. Joe Jonas got some pizza. View this photo on Instagram 11. Donald Faison carried around his mini-me. View this photo on Instagram 12. Leighton Meester got vocal. View this photo on Instagram 13. James Franco took his wig for a test drive. View this photo on Instagram 14. Cara Delevingne flew private. View this photo on Instagram 15. Drake got giggly. View this photo on Instagram 16. Ansel Elgort was the star of his friend Jerome's shirt. View this photo on Instagram 17. And Vanessa Hudgens helped Ashley Tisdale get married. View this photo on Instagram