Kirsten Dunst, Samantha Ronson party in Park City

Kirsten Dunst, Samantha Ronson and Rashida Jones were spotted partying at T-Mobile Presents Google Music at Tao in Park City. Dunst premiered her new movie, called Bachelorette, and was spotted canoodling with her boyfriend Garrett Hedlund.

Samantha took to the tables and spun for several hours — and made sure to give Rashida a shout-out for her new movie, Celeste and Jesse Forever.

James Marsden was spotted at T-Mobile Presents Google Music at Tao, along with Anthony Mackie, Harvey Weinstein and Jamie Chung.