The 2013 Screen Actors Guild Awards air Sunday night on TBS and TNT. If you cannot get to a television, you can also watch a live stream of the ceremony online for free here or here. But please, click on those links at your own risk.

This year marks the 19th annual Screen Actors Guild Awards. According to the SAG website, the ceremony is the only televised awards show that solely nominates performers. Thirteen awards will be given away in total, with the top prizes for best ensemble in a comedy television series, dramatic television series, or motion picture.

The five nominees for ensemble in a film are the historical dramas "Lincoln" and "Argo," the musical "Les Miserables," the romance "Silver Linings Playbook," and the comedy "Best Exotic Marigold Hotel." The last of these films was the biggest surprise on nomination day, per E! Online, taking a spot that many thought would have been filled by "Zero Dark Thirty," Kathryn Bigelow's story of the team that took down Osama Bin Laden.

"Lincoln" is considered an Oscar favorite after receiving 12 nominations. But "Argo" has much of the momentum after winning top prizes at both the Golden Globes and Producers Guild Awards. In fact, as notes, Ben Affleck's film might soon become the Academy Awards frontrunner. Affleck's snub in the directing category might cause voters to rally around the film.

However, several critics, including Glenn Whipp of the Los Angeles Times, view "Silver Linings Playbook" as the favorite for tonight's SAG Awards. The film has received numerous awards and nominations for its acting performances, specifically those of leads Bradley Cooper and Jennifer Lawrence. Whipp argues that if "Silver Linings" fails to take home the big prize tonight, it will likely have little chance to win the Best Picture Oscar.

But if "Silver Linings" does win the ensemble award tonight, Lawrence may not be around to see it. The actress, who may also win an individual prize at the 2013 SAG Awards, is reportedly suffering from pneumonia. She already missed the Australian Academy of Cinema and Television Awards on Saturday, according to US Weekly, and she may still be too sick to attend Sunday's festivities.

The two main television awards should be somewhat more predictable. Of the 10 experts interviewed by the website Gold Derby, eight believe that "Homeland" will take home the SAG Award for ensemble drama. The series has already won both the Golden Globe and Emmy Awards this season, and adding a Screen Actors Guild Award would make it the first show to hold all three titles since "Mad Men,"according to TVGuide.

Meanwhile, all 10 Gold Derby experts think "Modern Family" is the comedy show to beat. The ABC sitcom has won the ensemble prize each of the last two years.

The 2013 SAG Awards will also feature Dick Van Dyke receiving a lifetime achievement prize. He will be presented by actor/producer Carl Reiner and "30 Rock" star Alec Baldwin, according to the SAG website. Reiner worked with Van Dyke on perhaps his most famous series, "The Dick Van Dyke Show." Van Dyke also starred in the Disney film "Mary Poppins" and won a Tony Award for his role in the musical "Bye Bye Birdie," which he later reprised in the film version of the show.

According to the SAG website, other presenters at Sunday's Screen Actors Guild Awards include Neil Patrick Harris, Nicole Kidman and Justin Timberlake.

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