Verified answer

"My beautiful best friend and her evil cat." in Japanese is:

私の美しい親友と彼女の不吉な猫。

watashi no utsukushii shin'yuu to kanojo no fukitsuna neko

composition:

私の(watashi no) = my

美しい(utsukushii) = beautiful

親友(shin'yuu) = best friend

と(to) = and

彼女の(kanojo no) = her

不吉な(fukitsuna) = evil, ominous

>> if "evil" means "ill-natured" or "wicked" then it's 悪い(warui)

猫(neko) = cat

Japanese.

私のキレイな友人と、彼女の悪い猫

watashi no kireina yuuzin to kanozyo no kireina neko

Mi bella mejor amiga y su malvado gato.

(assuming female friend and male cat).