It's no secret that Ashley Tisdale had a nose job, and that she's taken more strife for it than anyone. Before and after plastic surgery, her nose looks different, but not as much as the media makes it seem. Ashley claims she got the nose job to fix a deviated septum, which is probably true, but I'm sure she also got a subtle cosmetic portion (no shame in that!). Unfortunately, the surgeon took off too much cartilage in and around the bridge. She's had more than one nose job though. This before and after pic shows her after the first nose job, and after the additional one(s). See how the bridge is thinner in the before pic?
This before and after pic shows Ashley Tisdale in 2005 (before any plastic surgery) and in 2013 (after at least 2 nose jobs).
UsMagazine released an article on Ashley Tisdale's plastic surgery that started all of the hysteria. She took one bad photo shoot with weird shadows that didn't sit well on her nose. It pretty much blew the whole thing out of proportion.
See how the surgeon removed cartilage and smoothed down the bridge? With a nose as naturally thin as Ashley Tisdale's, you have to be VERY conservative.