Meghan Trainor’s smile makeover is latest celebrity plastic surgery disaster

In Hollywood, stars often place a high importance on looking young and beautiful.

Many celebrities undergo various procedures, from invasive plastic surgery to injectables that can be done in a doctor's office. Often, there are no complications or regrets involved.

However, some celebrities like Meghan Trainor, Christina Applegate, and Ariana Grande have been open about getting some work done that they regret or that did not turn out the way they expected.

Here's a look at some Hollywood plastic surgery disasters.