Taylor Swift Takes the Stage With Little Mix, Julia Roberts & Joan Baez

Taylor Swift continues her streak of girl group guest performers with Little Mix during the second night of her 1989 Tour at Levi’s Stadium in Santa Clara, Calif., on Saturday night (August 15).

The 25-year-old superstar and the fierce girl group performed their song “Black Magic” together, choreography included!

“Little Mix smashed it in front of 50,000 screaming fans tonight! #1989tourSantaClara,” Taylor wrote on her Instagram.

PHOTOS: Check out the latest pics of Taylor Swift

Taylor was also joined on stage by actress Julia Roberts and singer Joan Baez, who strutted their stuff during her performance of “Style.”

“Tonight Joan Baez and Julia Roberts danced it out to ‘Style’. These two women are my heroes. What an honor,” Taylor wrote on Twitter.

Check out the full video of Taylor performing with Little Mix below…