Taylor Swift has taken her friendship with HAIM to another level, announcing Sunday that the sibling trio will open for her on her upcoming 1989 World Tour.

HAIM is nominated for Best New Artist at next Sunday's Grammy Awards and their sophomore album is one of Variance's 65 Albums to Watch for in 2015.

Swift's upcoming tour dates with HAIM can be found below. Click here for further details.

July 10-11 — East Rutherford, NJ — MetLife Stadium
July 13-14 — Washington, DC — Nationals Park
July 18-19 — Chicago, IL — Soldier Field
July 24-25 — Foxborough, MA — Gillette Stadium
Aug. 21-22 — Los Angeles, CA — Staples Center
Aug. 24-26 — Los Angeles, CA — Staples Center
Sept. 25-26 — Nashville, TN — Bridgestone Arena
Sept. 28-29 — St. Louis, MO — Scottrade Center