Is my friend a hater?

I didn’t want to believe my best friend has been hating on me recently, but she’s been acting kinda weird. She doesn’t compliment me anymore like she used to at the start of our friendship, and she puts me down in front of our mutual friends. She seems to hype up all our other friends telling them how great they are/look, saying “you look amazing” “you’re gorgeous” but yet with me she only makes the occasional comment “your outfits sparkly.” I don’t need her compliments but she just never does. And when a guy likes me, she reduces it down to a technicality like “he only likes you because he has a thing for skinny girls.” Or “he only likes you because he likes brunettes.” She just gives me weird vibes nowadays, is she being weird?
Is my friend a hater?
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