Reality star Heidi Montag is set to make her big screen debut in Hollywood funnyman Adam Sandler's upcoming comedy 'Just Go With It'.

The star has landed a cameo role in the romantic comedy, which boasts an all-star cast, including Sandler, Jennifer Aniston and Nicole Kidman, reports contactmusic.com.

'I was just cast in my first feature film, a comedy! I start filming Monday! This is one of the best days of my life! Getting ice cream to celebrate,' she tweeted.

The movie is set for release next year.