Help me with translation

[Натка]

Она стала известной актрисой, до того как ей исполнилось 30

Спасибо

[Milanya]

She had became a famous actress before she turned thirty/ her thirtieth birthday.

[nas2000]

When the time relationship between two past events is clear it is common to use the Past Simple for both events:
She became a famous actress before she turned thirty.

However the Past Perfect is often used with "by the time":
By the time she turned thirty, she had becOme famous.

(Focus on Grammar, Longman)