Selena Gomez: Taylor Swift Dance Video with Friends!

Selena Gomez chats on her cell phone as she leaves a hair salon on Thursday (December 13) in West Hollywood, Calif.

The day before, the 20-year-old actress celebrated her friend Taylor Swift‘s birthday by posting a video of her dancing with friends to Taylor‘s latest song “I Knew You Were Trouble.”

PHOTOS: Check out the latest pics of Selena Gomez

“SO Cheesy, I know but I’m glad I’ve got my girls….. and Gweny… :) @tayorswift13 we love you!!!” Selena tweeted. Her pals Francia Raisa, Samantha Droke, and Laura Quinn are also featured.

Check out the video below!

15+ pictures inside of Selena Gomez leaving a hair salon…