"We'd be more than happy to meet with you, we do live in New Zealand but we could just fly over," van Beek continued.
Crowe, who has over 2.7 million followers on Twitter, has thrown his weight behind their mission by retweeting the post.
"Hey Celine Dion, remember that time we met in the elevator at the Four Seasons in LA? Yeh. Me too. Anyway. Please see below," he wrote.
"The way Canadians are polite. New Zealanders are sincere. These girls have a lot of love for you. They made a movie. Would you see it?"
Dion is in Australia to perform seven concerts before she heads to New Zealand for three shows at Auckland's Spark Arena on August 11, 12 and 14.
Executive Producer Taika Waititi has also shown his support for the women this week.
Being a good mate, Taika got on Twitter to tell his Aussie fans to go see the film. But not before slipping in a few trans-Tasman jabs at the same time.
Directed and written by Sami and van Beek, The Breaker Upperers has been met by rave reviews since being released across the ditch.