Taylor Swift believes in punching above her weight when it comes to music videos. The Shake It Off star has been posting on Twitter Sin City-style posters for her upcoming video –– Bad Blood (from the album 1989), directed by Joseph Kahn –– since May 7. And she has recruited some of her famous friends, who have chosen their persona in the video, which will have a world premiere on Sunday at the Billboard Music Awards in Las Vegas.

Here’s a quick run through of the Bad Blood (tagline: “Band-Aids don’t fix bullet holes”) cast in which the 25-year-old plays Catastrophe!

Kendrick Lamar
Who’s he: Hip hop ariste
Bad Blood name: Welvin Da Great
Age: 27
Friendship level: Six months ago Taylor Instagrammed a clip lip-syncing Lamar’s Backseat Freestyle, and the man sang her Shake It Off during a November interview with Fader.

Hailee Steinfeld
Who’s she: Oscar-nominated star of True Grit
Bad Blood name: The Trinity
Age: 18
Friendship level: Often spotted together, Tay is more like an older sister. Hailee recently said: “We just love to kick back, listen to music, watch TV, bake, watch movies and all of that kind of stuff.”

Ellie Goulding
Who’s she: Singer-songwriter
Bad Blood name: Destructa X
Age: 28
Friendship level: At the BRIT Awards, she presented the Best International Female award: “The winner is... someone I’m so proud to call my friend, Taylor Swift!” 

Lena Dunham
Who’s she: Creator, writer and star of the HBO series Girls
Bad Blood name: Lucky Fiori
Age: 29
Friendship level: Dunham wrote the first season of Girls listening to Taylor’s songs from the album Red. In 2013-14, Tay worked with Dunham’s boyfriend Jack Antonoff, who is a member of the bands fun. and Bleachers. Their collaboration can be heard on two songs on 1989 –– Out Of The Woods and I Wish You Would.

Hayley Williams
Who’s she: Frontwoman of pop-punk band Paramore
Bad Blood name: The Crimson Curse
Age: 26
Friendship level: An excerpt from Hayley’s Tumblr post says it all: “Of all the friends I have who play/write music, I’ve never seen anybody do it all with as much heart and grace as Taylor does.”

Zendaya
Who’s she: Disney actress and singer
Bad Blood name: Cut-Throat
Age: 18
Friendship level: We haven’t heard Taylor talking about her but hey, the country-turned-pop star is always on the lookout for new friends. 

Lily Aldridge
Who’s she: Victoria’s Secret Angel
Bad Blood name: Frostbyte
Age: 29
Friendship level: Their friendship goes back a long way and several sets of 8 ball pool! She’s responsible for making Tay perform at Victoria’s Secret fashion shows.

Gigi Hadid
Who’s she: Fashion model and TV personality
Bad Blood name: Slay-Z
Age: 20
Friendship level: Beverly Hills park mates to Christmas decoration buds to hiking, the two hang out often.

Karlie Kloss
Who’s she: Supermodel
Bad Blood name: Knockout
Age: 22
Friendship level: At Tay’s New York penthouse there is a blown-up Polaroid of two friends. You guessed it right, it’s of T+K. They share make-up and, we guess, a lot of secrets!

Serayah
Who’s she: Actress
Bad Blood name: Dilemma
Age: 19
Friendship level: Last month the Everything Has Changed singer hung out with the Empire TV show actress over barbecue.

Jessica Alba
Who’s she: Sin City actress
Bad Blood name: Domino
Age: 34
Friendship level: The exotic dancer Nancy (played by Jessica Alba) from Sin City, the film whose dark neo-noir tone has inspired the video, had to be there.

Watch the Billboard Music Awards live on Vh1 on May 18 at 5.30am. Repeat telecast at 9pm