Dolly Parton, Matt Damon, Arnold Schwarzenegger: 9 Self-Deprecating Movie Stars (PHOTOS)

Movie stars have a habit of taking themselves a little too seriously. But, every once in awhile, an actor comes along who isn't bashful about poking fun at his or her personality. For example, take "Joyful Noise," which opens nationwide this weekend. In one scene shown in the trailer, Dolly Parton's character pokes fun at the fact that she has had a lot of plastic surgery (something that the real Parton has had), as she eloquently states, "God didn't make plastic surgeons so they could starve."

In honor of Parton in "Joyful Noise," let's take a look at nine movie stars who have successfully made fun of themselves on film.

PHOTOS:

Gallery | Self-Deprecating Movie Stars

• Patrick Stewart in "Robin Hood: Men In Tights"

  This 1993 Mel Brooks Robin Hood parody featured a cameo by Patrick Stewart. As a former member of the Royal Shakespeare Company, Stewart got his start playing classic roles on stage, which makes his portrayal of a comedic Richard I in "Men In Tights" all the more hilarious (especially when he punishes his brother John by demanding that all the toilets in the kingdom be referred to as "Johns".)

• Ashton Kutcher in "Cheaper By The Dozen"

  In this 2003 remake, Ashton Kutcher stars as Hank, an actor/model. At one point during the film, Kutcher's character tells his girlfriend, "This is the moneymaker [points to his face]! I'm not that good of an actor! This is how I get the jobs, I know that."

• Arnold Schwarzenegger in "The Expendables"

  Arnold Schwarzenegger's cameo in this 2010 action film included a great line from Barney Ross, played by Sylvester Stallone. After Trent (Ah-nuld) makes a sarcastic comment toward Ross, he walks off in a huff. "What's his fucking problem?" asks Church (Bruce Willis). "He wants to be president," responds Ross. No, Schwarzenegger technically didn't say it himself, but he obviously knew it was in the script; if he wasn't cool with it, he wouldn't have taken the role.

• Julia Roberts in "Ocean's Twelve"

  The infamous ending of "Ocean's Twelve" features Tess (played by Julia Roberts), impersonating a pregnant (and somewhat dubious) Julia Roberts. Bonus self-deprecation points go to Bruce Willis (who plays himself), when he talks about the enormous amount of money his last film made.

• Arnold Schwarzenegger in "Last Action Hero"

  This entire movie is self-deprecating. When a young boy finds a magic ticket at a movie theater, he is transported into an action film, where he ends up hanging out with his favorite character, Jack Slater (Schwarzenegger). Slater acts out all the stereotypes the people Ah-nuld has played over the years (including a scene where he utters the line, "I'll be back"). At the end of the film, Slater comes face-to-face with his real-life counterpart at a movie premiere (even Schwarzenegger's famous yellow Humvee makes a cameo).

• Ben Affleck and Matt Damon in "Jay and Silent Bob Strike Back"

  Not only do Matt Damon and Ben Affleck poke fun at their film "Good Will Hunting," (in "Jay and Silent Bob," the two are shooting "Good Will Hunting 2," which includes the "How do you like 'dem apples?" line mixed with shotguns), they also take the time out to criticize the roles they've been known to take in the past: Matt Damon: Hey shove it, "Bounce"-boy. Let's remember who talked who into doing this shit in the first place. Talking me into "Dogma" was one thing, but this... Ben Affleck: Hey look, I'm sorry I dragged you away from whatever-gay-serial-killers-who-ride-horses-and-like-to-play-golf-touchy-feely-picture you're supposed to be doing this week.

• Jack Black and in "The Muppets"

  Plenty of celebrities cameo in "The Muppets," but Jack Black gets the most time onscreen. After the Muppets decide to kidnap him and use him as their "celeb host" for the telethon, he ends up on stage in a tuxedo, where he screams: "Where am I? Why am I so fancy? This is not good for my image!"

• Dolly Parton in "Joyful Noise"

  As mentioned, this movie features a scene where Dolly Parton makes fun of the fact that she's had plastic surgery: "God didn't make plastic surgeons so they could starve."

• John Malkovich in "Being John Malkovich"

  John Malkovich was allegedly "half-intrigued and half-horrified" when he first read this script, which tells the story of a kooky CEO who has created a portal inside John Malkovich's mind. The actor was a good sport, though, and ended up portraying himself in the film -- poking fun at the apparent upscale lifestyle an actor of his stature would lead.

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