Ashley Tisdale: New Year's at Mammoth Mountain!

Ashley Tisdale rocks a tiara with her sparkly New Years dress on Monday night (December 31) in Mammoth Lakes, Calif.

The 27-year-old actress celebrated with a group of friends, including besties Shelley Buckner and Kim Hidalgo!

PHOTOS: Check out the latest pics of Ashley Tisdale

New Years Eve @mammothmountain #teamgoodtime, Ashley captioned a fun photo of the group posing in the snow out on the slopes that same day.

Earlier this week, Ashley and her pals took a road trip up to Mammoth Mountain from Los Angeles.

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