Theodora Maria Diaconu was born on August 8, 1997, and her ID shows as place of birth Ploiești, Romania.

Her father is a football coach and director of the Izvoarele Cultural Center,[5] while her mother is a secretary at the town hall in the village.

At the casting for the TVR1's children song show Ploaia steluțelor, Valeriu Lazarov encouraged her to shift to pop music.

Andrei Ursu, was number one for three weeks in the UPFR charts, which measures the most-broadcast songs on radio stations and television channels throughout Romania.

[16] This was a reality competition show, similar to İşte Benim Stilim, where contestants had to compete each week and come up with a different outfit to get points for their style.

[19] From the tenth season onward of the talent show Vocea României, a competition similar to The Voice, she became one of the judges, sharing a seat with Smiley (as a duo).

[25] Rose had a relationship for over five years with economist Alex Leonte, nephew of the Romanian television presenter Nea Mărin, and they were living together when she started to become famous.