Lil Kim is looking back at the making of the iconic 2001 hit “Lady Marmalade”.

For those who don’t remember, the rapper joined Pink, Christina Aguilera and Mya for a remake of Patti Labelle’s 1974 classic. The song and the foursome were a huge hit, but according to Kim, there was “tension” on set.

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“We worked really hard that day,” she told Billboard. “I remember there was a little tension because, you know, Mya’s my girl… but a lot of the girls didn’t know each other. I knew almost everybody, but it was like everyone was in their own little corner.”

“Everybody talked to me, but everybody else wasn’t talking to each other,” Kim continued. “Everybody loved each other, don’t get me wrong, but they didn’t know each other, so it was like, ‘let me talk to Kim, because I know Kim.’ It was hard ‘cuz I had to be the host of ‘Lady Marmalade’.”

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Back in 2009, Pink confirmed that tension did, in fact, affect the group. During an episode of “Behind The Music”, the “Walk Me Home” singer says Aguilera bullied her way into the song.

“Ron Fair [label exec] walked in. He didn’t say hi to any of us and said, ‘What’s the high part? What’s the most singing part? Christina’s going to take that part,'” she explained. “And I stood up, and I said ‘Hi. How are you? So nice of you to introduce yourself. I’m Pink. She will not be taking that part. I think that’s what the f**king meeting’s about.’”

“Lady Marmalade” went on to win Best Pop Collaboration at the Grammys.