Horrible boob job
http://www.hawtcelebs.com/bella-thorne-arrives-at-los-angeles-international-airport-07292015/
I guess she's taken a page out of the Kardashian playbook. She's looking real rough in this pic:
http://www.hawtcelebs.com/wp-content/uploads/2015/07/bella-thorne-arrives-at-los-angeles-international-airport-07-29-2015_8.jpg