Sorry, Nicki Minaj — you may not be able to deny this one!

The 32-year-old was caught on camera during the 2015 American Music Awards making a SERIOUSLY sour facial expression while host Jennifer Lopez, 46, did a dance performance to Nicki's hit "Anaconda."

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One Twitter user called her out on Twitter, saying, "Damn J Lo……. Nicki Minaj (sic) facial expression says it all… We still love u doe (sic)."

Nicki appeared to fire back at the fan with her own tweet.

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So, did she or didn't she?