Last night Pink and Christina Aguilera were two of the big stars who appeared at and also performed during the American Music Awards.
Now, if you're familiar with the two stars you'll be aware that they've been known to have a long-running feud, which started in 2001 when Pink and Christina fought over who would get to sing the highest notes on their iconic collab "Lady Marmalade."
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In fact, at one point things got so bad Christina once actually tried to take a swing at Pink in a club.
But earlier this year Pink revealed that it's all well and truly behind them and they're friends nowadays. So that was the end of that, right?
Want to point out an awful new phenomenon of the last 10'years. We can no longer be happy for each other. I ❤️Xtina… https://t.co/83NOe6qLte
Wrong, because it's 2017 and we can't have nice things. So when Pink pulled faces like this during Christina's tribute to Whitney Houston last night, obviously everyone presumed she was scowling at the star.
The look on Pink’s face! Priceless!#AMAs
Although fans defended the star, insisting she wasn't throwing shade.
@MlNAJOON @Pink She was feeling it. Just because she is listening and feeling it and doesn’t make a pretty face peo… https://t.co/EFr6x0Mn7P
@bailsshelbymom @MlNAJOON @Pink Nice try, but here Pink is smiling & dancing. ✌
@Pink They're talking shit only because of this still
And Pink isn't here for ANY of it. After seeing the news, the singer tweeted how much she thought "Christina fucking killed it" and called out the "negative Nancys" who failed to show the bit where she was in tears at the performance.
Yes. THIS. Christina fucking killed it tonight for one of our favorite singers ever. This about Whitney, and I am i… https://t.co/DJnIwmo3am