Cara Delevingne has finally been introduced in Taylor Swift's new music video for "Bad Blood." Fans have been waiting for Swift to unveil the exciting news all week. The 25-year-old singer shared the model's music video poster on both Instagram and Twitter.

The 22-year-old runway model has been introduced as "Mother Chucker."

In the teaser photo, she donned a black bustier paired with a matching bottom. Wearing her signature smoky eye makeup, Cara Delevingne was likewise carrying a pair of nunchucks in the photo.

Taylor Swift's "Bad Blood" music video is surely star-studded. Several celebrities who will make an appearance in the music video include Lena Dunham, Ellie Goulding, Hayley Williams, Gigi Hadid, Mariska Hargutay, Ellen Pompeo, Zendaya Coleman, and Jessica Alba. Apart from Cara Delevingne, Victoria's Secret models Karlie Kloss, Lily Aldridge, and Martha Hunt will also be featured.

Rumors have also surfaced that Selena Gomez would play the role of archenemy in Taylor Swift's "Bad Blood" music video. Even if their friendship is on-and-off, the song isn't about the former Disney star.

Taylor Swift previously told Rolling Stone that it was about a fellow pop artist who tried to sabotage one of her shows by hiring her back-up dancers. Many believed that the "I Knew You Were Trouble" hit maker was pertaining to Katy Perry.

Meanwhile, even if Cara Delevingne is one of Harry Styles' ex girlfriend, it didn't hinder Taylor Swift from becoming friends with her. Hollywood Life previously reported that the two "quickly became best friends" even before the music video.

The two were first photographed having fun at the 2013 Victoria's Secret Fashion Show. Some fans are wondering if there's also a possibility of Taylor Swift being friends with Kendall Jenner, another celebrity Harry Styles dated.

After all, Cara Delevingne is close to Kendall Jenner. The Kardashian family even considers Cara Delevingne as an "adopted daughter."

Taylor Swift's "Bad Blood" music video will debut on May 17 at the 2015 Billboard Music Awards.