compiled an Instagram slideshow that featured a few highlights from the year, including some appearances from familiar Stranger Things faces and a peek behind the scenesof his band.He captioned the post with "Cya 2017."Instagram contentView on Instagram9.) Bella ThorneThroughout New Year's Eve,Bella "I wrote 'Technically Single' about a confusing relationship I was in. It's about being stuck in that gray, awkward stage of being more than friends but not really in a relationship,” Tayler toldTeen Vogue The pop star has plenty to be excited for in the upcoming year, includingpossible new musicanda rekindled relationship with Justin Bieber.Instagram contentView on Instagram3.) Bella HadidBella 's departure from the group, the girls have found the fifth new member of the group — and Camila actually approves.WAIT... say what?!Ellen DeGeneresjokingly cropped herself into the band'sfirst photo