You say, 'hermosa amante'.
"Maestra de ceremonias"
Yo soy amante de Jewlions.
You can use amante which means lover in English.Or amante secreto for secret lover.
Quetida means mistress in Spanish. Sorry. It is supposed to be querida.
A lady, a woman, a miss, a mistress
The correct term is "master of ceremonies" when referring to a male host and "mistress of ceremonies" when referring to a female host.
The female version of Master is Mistress, thus it would be Mistress of Ceremony. "Mistress of Ceremonies" would be the plural, and would only be used if you were the Mistress of Ceremony for multiple ceremonies.
missstresss
Haka
Assuming that mistress refers to an illicit sexual partner, the word is Khalilati (خليلتي).
The Proper answer is You should say I am malika