Kirsten Dunst & Garrett Hedlund: 'Bachelorette' Premiere Party!

Kirsten Dunst, Rashida Jones, and Samantha Ronson get the party started at Tao on Monday (January 23) in Park City, Utah.

The 29-year-old actress spent time with pals including her beau, Garrett Hedlund, after the world premiere of her new movie, Bachelorette, at Tao, presented by T-Mobile and Google Music.

They were accompanied by co-stars James Marsden and Lizzy Caplan and director/screenwriter Leslye Headland and hung out together in a booth for the Bachelorette cast.

“Kirsten and Garrett went up on on stage and started dancing together while Samantha Ronson DJed,” a partygoer tells JustJared.com. “They had their arms wrapped around each other. It was really cute.”

Rashida also came out to the premiere to support Kirsten; Sam gave Rashida and her Sundance film, Celeste and Jesse Forever, a big shout-out on the mic during her DJ set.

Sam also gave a shout-out to Jamie Patricof and Lynette Howell for the launch of their new production company, Electric City.