The crowd at London’s Hyde Park was eagerly anticipating the arrival of Taylor Swift, but they got more than they bargained for when six of her famous friends made a surprise appearance at the British Summer Time festival. Kendall Jenner, Karlie Kloss, Gigi Hadid, Cara Delevingne, Martha Hunt, and Serena Williams joined the starlet on stage after her phenomenal performance. Taylor ended the show in style, dazzling in a sequined outfit as she was surrounded by her glamorous gal pals. Watch the video below to see the unforgettable moment.

Girl gang: Taylor Swift was accompanied by a group of strong and beautiful women including Martha Hunt, Kendall Jenner, Serena Williams, Karlie Kloss, Gigi Hadid, and Cara Delevingne at London’s British Summer Time festival over the weekend. Cara Delevingne was proudly representing Great Britain while the rest of the American stars were on short visits to the UK. Kendall Jenner even skipped her brother-in-law Kanye West’s performance at Glastonbury to be at the event. Kendall had flown in from Paris after walking in Givenchy’s Men’s Fashion Week SS15 show. Gigi Hadid had just been in California, Karlie in New York City, and Cara was on a whirlwind European tour promoting her new film “Paper Towns.”

It was quite a spectacle: Taylor and her group of friends joined the singer on stage to dance along to her performance.

Representing: Cara Delevingne stood as the sole representative for Great Britain that evening.

Serena Williams stole the show as she led the parade of stunning performers and effortlessly twirled on the stage. Taylor’s recent performance was deemed one of her most daring yet, oozing with sexiness as she confidently posed against a door and sashayed in high heels. She rocked two bold black and white outfits, complete with crop tops, short shorts, knee-high boots, and suspenders. As soon as the American beauty kicked off her performance, it felt like she brought a little bit of California sunshine with her. Taking the spotlight as the main act at the British Summer Time festival, she shone in aqua sequins and exuded fierce girl power in a metallic skirt that showcased her long legs.

Best friends forever: The crew was full of excitement as they relaxed backstage before Taylor impressed the audience.

Cheeky entertainer: The performance put on by the once innocent young star was definitely playful and flirtatious.

Stunning physique: The blond woman paired her outfit with short shorts and boots that reached up to her thighs.

Strutting her stuff: She gave a stellar performance for the crowd at Hyde Park.

Music creator: Upon rediscovering her rural roots, she strummed chords on a guitar slung across her chest.

Head turner: Dominating the cityscape, the show was a flawless display that left spectators in awe.

Sultry: The once wholesome star was seen sharing a moment with one of her dancers during the performance. Taylor brought the energy that the audience had been anticipating, accompanied by a group of male dancers. They all sported stylish white sunglasses to shield their eyes from the sun, with Taylor accentuating hers with bold red lipstick. She shined on stage in a dazzling Jaded London sequin bomber jacket, adding to her radiant appearance under the lights. Despite the flashy outfit, Taylor’s legs, worth £26.5 million, stole the show as she flaunted them in a purple mini skirt.

Seductive charm: Taylor opted for a small black bralette and shorts for a swift wardrobe swap later that evening.

Shake it off: She felt the beads of sweat dripping down her face as she struggled to cope with the unusually hot weather in London.

Excitedly: Taylor delighted the crowd by delivering an enthusiastic sing-along experience that they had been eagerly waiting for.

Looking sharp: Taylor’s impeccable appearance was no surprise after putting in all that time at the gym.

Hair trouble: Taylor struggled to keep her hair in check as she sweated it out. Pop sensation Taylor, currently rocking her 1989 world tour, stopped by London for a highly anticipated show. Among the famous faces in the crowd were Spice Girls’ Emma Bunton and Melanie Chisholm, along with TV hosts Emma Willis and Tess Daly. To amp up the excitement for Taylor’s performance, her close pal Ellie Goulding hyped up the crowd with a thrilling performance, showcasing her boundless energy on stage.

Taylor radiated beauty as she made her grand entrance in London on a Saturday evening, all set to wow the crowd with her headline performance at the prestigious British Summer Time festival in Hyde Park.

Girl power was showcased as the tall, blonde woman amped up her outfit with a bold red lip and flaunted her toned abs.

The eagerly anticipated moment had finally arrived as the enthusiastic audience braced themselves to witness the rising star deliver an unforgettable performance.

The blonde singer stole the show with her stunning performance, accompanied by her male dancers on stage. Prior to their London show, the close girlfriends enjoyed a dinner together in Notting Hill on Friday night to catch up and bond. Ellie and Taylor had much to discuss, especially Taylor’s new romance with Ellie’s close friend and collaborator, Calvin Harris. Following a brief visit to London, Taylor is heading to Dublin this week as part of her successful 1989 album promotional tour.

Behind the scenes with Hermione Granger: Actress Emma Watson from the Harry Potter series paid a visit to Taylor backstage during the show.

Gossip time: Karlie Kloss, Gigi Hadid, and Kendall Jenner were super chic as they made their way to the concert as a trio.

Opposites attract: Karlie went with a crisp all-white look, while Kendall decided on an edgy all-black outfit.

Monochromatic charm: Gigi rocked a stunning matching striped outfit, looking absolutely fabulous.

Having fun: The supermodel Cara Delevingne was spotted wearing her beloved Simpsons pajamas.

Enjoying it: Kendall was captivated by the show as she sat beside her model friend, Taylor. Taylor recently took joy in advocating for her music to be included on Apple’s streaming services. With Spotify now accessible on PlayStation Music, users can easily listen to their preferred tracks, albums, and playlists on demand using PlayStation®4 and PlayStation®3. For further information about PlayStation Music, please visit www.playstation.com/playstationmusic.

Karlie and Cara showed their support for Taylor as they cheered her on from the exclusive VIP area with their model behavior.

Beautiful: Cara gently ran her hand along Karlie’s back while they savored their relaxation under the warm rays of the sun.

Awesome: Joe Jonas was incognito behind his stylish shades (on the left) as Kendall goofed around making funny expressions (on the right).

Enjoying life to the fullest: The gang had a blast at the party while Taylor sang her all-time favorite songs.

She’s a supporter: Kendall seemed to be fully engaged as she cheered on Taylor while she performed.

Close companions: Kendall observed while Gigi gestured towards something far off.

Getting the crowd in the groove: Taylor’s BFF Ellie Goulding warmed up the audience before the big show.