By Rita Kokshanian
Updated Jun 01, 2015 @ 12:00 pm
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Credit: Larry Busacca/LP5/Getty Images

Attendees of Taylor Swift's 1989 World Tour in Detroit were treated to a very special surprise on Saturday night when Gigi Hadid and Martha Hunt, aka Slay-Z and Home Slice, joined the singer on stage. The models, who both appeared in Swift's star-studded "Bad Blood" music video, strutted down the stage in front of 50,000 fans during the singer's performance of "Style." Swift took to Instagram to document the fun, posting a photo of the trio walking on stage along with the caption, "When two of your best friends strut the runway with you during 'Style'... #1989TourDetroit @gigihadid @marhunt (below).

Hadid and Hunt got in on the social media action as well, posting numerous photos and videos of themselves on stage with their friend. Talk about #squadgoals. Keep reading to see more of the photos.