She revealed she underwent jaw expansion surgery to help ... really quickly" as a result of the "horrible" surgery. She acknowledged that her face had "changed so much for the worst" but added ...

That can cause the whole structure of our face to change, leaving us looking saggier and jowlier. Once, only a surgical procedure such as a facelift could have spruced up a sagging jaw.

Supporters claim it can reshape your face for a more defined jawline and help with jaw pain, breathing, and orthodontic concerns. Experts warn that people who need jaw surgery or orthodontic work ...

In the interview, Zac called the rumors "funny" and explained that his different-looking face was due to a jaw injury in 2013 ...

Here's everything we know about Zac Efron's changing face. Click here ... he never had cosmetic surgery done but was recovering from a nasty fall that impacted his jaw. In an interview with ...