Hours after dropping 1989 (Taylor's Version) on Friday, the pop superstar took to Instagram and thanked Lamar for getting back in the studio to re-record their remix of "Bad Blood," first released ...

Kendrick Lamar's 2012 single "Backstreet Freestyle" led to his 2014 collaboration with Taylor Swift on "Bad Blood".

Pompeo and husband Chris Ivery had been volunteering at the center around the same time the 55-year-old starred in Swift's 2014 music video for "Bad Blood ... made her wildest dreams come ...