毕竟我是一个很哇塞的姑娘
[bì jìng wŏ shì yī gè hĕn wā sài de gū niáng]
This means 'after all, I'm an awesome (wow) girl'. This reflects the owner sees themselves as very impressive or cool. There’s a playful tone here with modern Chinese youth slang used for expressing confidence and uniqueness.