Paulina Gretzky Joins Cast of 'Grown Ups 2' [PHOTO]

Paulina Gretzky may be the latest star to join the cast of the movie "Grown Ups 2," according to herself.

On Wednesday, Gretzky posted a photo of her and a friend in bikini with the message "Fun day on set of Grown Ups 2 with @kimberlyalexish." 

But what her role in the film may be remains unclear. Her name wasn't listed on the cast of the movie featured on the Internet Movie Data Base website (imdb.com.)

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The movie is a follow up to the 2010 comedy starring Adam Sandler about a group of childhood friends who reunite years later.

Gretzky, the daughter of hockey legend Wayne Gretzky and is a model and singer, is best known for posting racy pictures of herself on popular social networks such as Twitter and Instagram.

The pictures have scandalized the social networks and many media outlets such as the Vancouver Sun have called her "shocking" and "dirty."

Gretzky's addition to Grown Ups follows that of Arnold Schwarzenegger's son Patrick two days ago.

On Monday, Schwarzenegger tweeted from the set of the movie.

"Amazing first day on Grown Ups 2," he tweeted. "So happy to be part of this."

Schwarzenegger will reportedly play a fraternity brother in the film due July 2013.