Taylor Swift Onstage With Transgender Model Andreja Pejic, Victoria's Secret Model Lily Donaldson

Taylor Swift’s stage was transformed into a runway when she performed along with models Lily Donaldson and Andreja Pejic at Soldier Field in Chicago Sunday. The 25-year-old singer is known for surprising fans with unexpected guests on her "1989" world tour. Transgender model Pejic and Victoria’s Secret model Donaldson both were invited onstage during Swift’s hit song “Style.”

The blonde beauties made the stage their own as they danced, holding hands and throwing their arms up to the crowd during the concert. “Tonight @andrejapejic and @LilyMDonaldson SHUT DOWN the runway. Crowd went insane!! #1989tourchicago,” Swift wrote alongside a picture of herself with the duo on Instagram. The singer also hhad another special guest, Sam Hunt, People reported.

During her performance with Swift, Pejic wore a white maxi dress with a plunging neckline and thigh-high split. She paired her dress with black Stuart Weitzman Lowland over-the-knee boots. She is well known in the industry as the first big transgender model and is the face of a major cosmetics brand – Make Up For Ever.

The 23-year-old Melbourne-bred beauty also became the first openly transgender model to be profiled by Vogue in May. Meanwhile, 28-year-old Donaldson opted for an all-black look for her stage gig. She wore black tights, black crop T-back and matching ankle high boots, while her T-shirt was wrapped around her waist.

Hunt performed his most recent single, “Take Your Time,” alongside Swift, who looked glammed up in a silver sequin embellished mini dress. The dress featured a deep V plunging neckline with low cut back. She wore her trademark deep red lipstick as she performed.

Swift invited “Empire” star Serayah and Andy Grammer on the first night of her two-day Chicago gig. The actress took to Instagram and posted a video clip of the performance, terming it “epic.” Meanwhile, Grammer and Swift performed his latest single “Honey, I’m good.”

Swift, who is dating musician Calvin Harris, shared a photo of the performance. Earlier, the singer also got her “Bad Blood” stars onstage. Her girl squad included Hailee Steinfeld, Lily Aldridge, Gigi Hadid and Lena Dunham.