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Gigi And Bella Hadid Are 'All In This Together' Dancing To 'High School Musical'

?Once we know/ That we are/ We're all stars/ And we see that?

Nine years after the indomitable Disney movie "High School Musical"'s release, the soundtrack is still making waves and inspiring sing- and dance-alongs alike. With only a few days left of 2015, sisters Bella and Gigi Hadid did the only thing that one can do in between hitting up the slopes and celebrating Christmas. They cranked up that "High School Musical" soundtrack and danced like no one's watching -- except we totally were.

The 21-year-old Gigi posted this vid to Snapchat showcasing her on-point "High School Musical" dance choreography, while her sister Bella upped the ante by dancing on the couch.

Naturally the impeccable dance skills and excellent song choice did not go unnoticed, with former "HSM" star Ashley Tisdale acknowledging the song and dance on Twitter.

See? Celebrities dance wildly to old Disney Channel favorites, just like us.