Miley Cyrus and Katy Perry were clearly feeling nostalgic at the Grammy Awards on Sunday night, so they recreated that awkward moment when Diana Ross jiggled Lil’ Kim’s boob at the 1999 MTV Video Music Awards.

Why? Why not?

@shEgoTripn @gstuart82 @__Dutch Diana Ross & Queen B (Lil’ Kim) did it first pic.twitter.com/OCrcFCydLI

— Kathy Sandru (@SandruSom) February 9, 2015