Reality TV vixen Heidi Montag was photographed Monday on the Malibu, California set of her film Just Go With It, and RadarOnline.com has all the pics for you.
Just Go With It marks The Hills star's first role in a film, and she is joined by an impressive cast of co-stars, including Jennifer Aniston, Nicole Kidman and Adam Sandler!
Heidi, 23, Tweeted later in the day: "I just had The Best day of my life filming my first comedy movie!!!!! It was beyond what I could have ever dreamed!!!!! ... And I am wearing my sailor shorts I designed in the movie!!!"
The film hits theaters next year.