updated 12/28/2010 AT 12:00 PM ET
•originally published 12/28/2010 AT 1:00 PM ET
Thor star Chris Hemsworth and his longtime girlfriend, Spanish actress Elsa Pataky, are now husband and wife, PEOPLE has learned.
Hemsworth, 27, who portrays the Marvel Comics character in the upcoming films, Thor (costarring Natalie Portman) and The Avengers, grew up in Australia. He and Pataky, 34 – best known stateside for her role alongside Samuel L. Jackson in the 2006 film Snakes on a Plane – were married over the holiday.