Taylor Swift brings supermodel friends onstage

Taylor Swift performed with her "best friends" Gigi Hadid and Martha Hunt onstage last night.

The 25-year-old singer surprised her fans in Detroit and brought the two supermodels onstage to strut their stuff to 'Style' with her, as part of her '1989' world tour, and took to Twitter afterwards to express her love for the two beauties who also star in her 'Bad Blood' video.

Along with a picture of the three on the "runway", Taylor wrote: "When two of your best friends strut the runway with you during 'Style'..."

Gigi, 20, also took to social media to show how happy she was to get the chance to perform live with her "amazing" friend, and said she would "never forget" the moment ever.

Along with an Instagram picture of her and Taylor pointing at each other, she wrote: "Will never forget this moment.T, you are amazing. Detroit, you are amazing. Thank you for sharing tonight with me!!!!! #1989WorldTour".

She later added: "Warmed up the #1989WorldTour Runway last night.. I love you @taylorswift..and then I got to be the proudest friend ever & dance and sing with all of you amazing people!!!!!!!!!! Your love and passion will NEVER GO OUT OF STYLE (sic)."