a girl gave me a odd response and i need help figuring out what she said?

[oussama f]

im a 19 year old male
On my Instagram i posted a pic smiling
a girl commented " omg your smile is so amazing"
me out out humbleness i replied to her " Oh please! my smile isn't even that nice, it's just a typical smile" then she she gave me a response that i didnt understant at all. she replied " Oh, Honey i plead 5th"

LOL CAN SOME girl help me find out what she ment????

[Joanna]

I literally don't have a clue what she's on about!? Maybe she's away with the fairies..

[Lillian]

She's giving you a compliment... She is disagreeing with you.

[BLAKE]

I'm a guy but from what I read:

She likes your smile, she finds it attractive
She thinks other girls like your smile too / other girls talk about your smile and how cute it is.
Possibly she talks about you and how attractive your smile is to her.

[Ano]

In law terms, "I plead the 5th" or "I take the 5th" is to not say a word, or stay quiet
idk if she meant, "honey, ill stay quiet then" meaning she wont argue with you
So I guess she does like your smile wether you like it or not according to her lol
I think thats what she meant