But one performance in particular brought the room to their feet - and to tears: Christina Aguilera paid tribute to her idol Whitney Houston with a medley celebrating the 25th anniversary of the Bodyguard soundtrack, and it was a moment to remember. As the music of "I Will Always Love You" escalated, so did the stage lights and the incessant cheering from the audience.
As Aguilera performed a high note mixed with vocal runs at the end of I Will Always Love You, the camera cut to Pink in the audience, and her face was an absolute picture. The curtain rose and Aguilera receded upstage to reveal a full band performing in front of two large screens showcasing scenes from "The Bodyguard" to accompany the musical tribute. The annual ceremony saw the "Try" star make headlines not only for her epic performance but also for reaction to Christina Aguilera's onstage performance. "Show the clip where I'm in tears, you negative Nancy's", she tweeted.
A fan of Houston said this about the performance: "Okay, I'm watching the awards now... the cameraman shady though but, we all know #christinaaguilera can blow!" She was shaky and pitchy.
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Did you cry during Christina Aguilera's Whitney Houston tribute?
The row got so intense that Pink claims Aguilera tried to punch her in a nightclub, but she has since claimed that they have buried the hatchet.
The Just Give Me A Reason hitmaker's facial expressions quickly went viral, especially given that Pink recently opened old wounds by claiming that Christina once tried to thump her in a nightclub.