Katseye may have just found their sweetest collaboration yet.

After making waves with Gap’s global campaign set to Kelis’ iconic 2003 smash “Milkshake” — a viral moment that sent the internet into a frenzy — group members Manon and Sophia tell Page Six Style they’re manifesting a full-circle linkup with the “Bossy” singer herself.

“I have a feeling it’s going to come,” Manon teased during a joint interview with Sophia to promote their Invisalign partnership.

“She has been supportive online and that has felt really nice. So, she’s aware.”

Sophia — who, at 22, was born just months before “Milkshake” first dropped — says she already had a nostalgic connection to the track, thanks to “Mean Girls ” and its place in pop culture.

“When they told us it was the song, we were like, ‘That is g

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