The part of the sentence 'she recently turned' is correct and usable in written English.
You can use it to describe a recent milestone such as a birthday. For example: "She recently turned 21 and is now an adult."
She recently turned 18, and wants to finish high school.
She recently turned eighteen and got her license on the second try.
She recently turned 30, prompting dark reflections on the folly of her guilty pleasure.
She said she recently turned down an offer to direct Wagner's mammoth "Ring" cycle at a house she would not name.
When someone at the table asked Ms. Zeva her age (she recently turned 18), the novelist and poet Tao Lin said: "She looks a lot more like 12 to me.
I'm a cheap date, me.' At 41, she still lives in Islington, though she recently turned down the chance to buy the council house her family had lived in, which she could have made a large profit on.
Abby wasn't much older than her students — she had recently turned thirty — and she had a playfulness that made her seem even younger.
When I met Sullivan, last September, she had recently turned eighteen, and three days earlier she had been emancipated from foster care.
The following month, the 37-year-old actress Maggie Gyllenhaal revealed that she was recently turned down for a role in a movie because she was deemed too old to play the love interest for a 55-year-old man; Schumer's work was right on the money.
We learned that she had recently turned 21, and had been institutionalized off and on since she was 12 in various mental hospitals throughout the country, but unless she voluntarily agreed to go to Camarillo, the local state institution, they could do nothing for her given the fact that she was an adult and had not actually made an attempt on her own life or anyone else's.
One member said she had recently turned down an invitation to attend a marijuana party - a gesture she had never before felt strong enough to make.
