The phrase "alter her appearance" is correct and usable in written English.
You can use it when discussing changes made to someone's physical look, whether through makeup, clothing, or cosmetic procedures.
Example: "She decided to alter her appearance for the upcoming event, opting for a new hairstyle and outfit."
Alternatives: "change her look" or "modify her appearance."
Luckily we have an app for that," Snowden said, before tweaking a slider in the app to alter her appearance.
The scar she was left with, while visible, did not significantly alter her appearance, the trial judge said.
Dolezal did not directly answer a question about whether she took steps to physically alter her appearance, for instance with makeup.
As for the hair, Ms. Daniels said: "Do I think it's a good idea to take the lead of a show and dramatically alter her appearance?
She's key to the success of the mission, but despite being able to alter her appearance however she wishes, she's obliged to spend most of the film prancing around virtually naked save for blue body paint.
She has no plans to alter her appearance.
Additionally, in classic celebrity meltdown fashion, Bynes drastically altered her appearance, shaving half her head and piercing her cheeks.
Rachel Dolezal, 39, resigned from her post as a chapter president for the National Association for the Advancement of Colored People last year, after her white parents revealed that for years she had altered her appearance and hidden traces of her biological family from her life.
She had to "take certain measures," she said, "in order to re-establish myself". They included altering her appearance in the hope that she might not be instantly recognized.
The results of the plastic surgery drastically altered her appearance, and Montag quickly notched up negative column inches in tabloids the world over after she revealed her new look for the first time.
Since the revelation last summer that Rachel Dolezal, a one-time local NAACP leader in Washington state, had been altering her appearance to look African American — when she is, in fact, white — increased attention has also been drawn to the practice of "blackface" (not to mention "yellowface," "brownface" and so on).
