Oscars 2017: Sara Bareilles to Perform During 'In Memoriam' -- Why It Will Be the Saddest Ever

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2016 saw the unexpected and untimely deaths of a slew of beloved icons and screen legends, which means viewers can expect one monumental In Memoriam segment at the 89th Annual Academy Awards on Sunday.

It was announced on Thursday that Sara Bareilles will be performing during the emotional tribute. "Sara’s unique artistry will honor those we’ve lost in our community including familiar faces and those behind the scenes who have enriched the art of moviemaking," producers Michael De Luca and Jennifer Todd said in a statement.

The tribute will no doubt have everyone in tears, especially when you consider just how many icons have passed away since last year's awards show.

PHOTOS: Stars We've Lost In Recent Years

Looking back over the past year, here are just a few of the late stars who will likely be honored at this year's Oscars ceremony.

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Comedian and actor Garry Shandling, who died on March 24 at age 66, was best known for his work on the groundbreaking TV series The Larry Sanders Show, and had a rich film career -- including a memorable role as Senator Stern in the Marvel Cinematic Universe.

Just five days later, actress Patty Duke died at the age of 69. Duke won an Oscar in 1963 for her role as Helen Keller in The Miracle Worker. Duke was 16 when she won and was, at the time, the youngest Oscar winner in the awards show's history.

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Music legend Prince died the following month, on April 21, at age 57. The singer, whose death sent shockwaves across the world, won an Oscar in 1985 for Best Original Song Score (also known as Best Original Musical) for his beloved rock opera Purple Rain.

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On June 19, the world woke up to the news that 27-year-old Star Trek star Anton Yelchin had been killed in a freak car accident. Yelchin was one of the fastest rising young stars in Hollywood, with four of his films hitting screens posthumously, including the yet-to-be-released We Don't Belong Here, which is due out in April.

WATCH: 'Star Trek Beyond' Cast-Members Remember Anton Yelchin

Two-time Oscar winner Michael Cimino, who took home Oscars for Best Director and Best Picture in 1979 for his intense drama The Deer Hunter, died of heart failure on July 2 at age 77. Ciminio's later film, Heaven's Gate, ended up tanking his career, but with The Deer Hunter, the director made an indelible mark in the history of Hollywood.

Legendary film and television director Garry Marshall -- best known for creating the iconic sitcom Happy Days and beloved films like Pretty Woman and The Princess Diaries -- died on July 19 due to complications from pneumonia. He was 81. Marshall's final film, Mother's Day, was released less than three months before his death.

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On August 29, screen icon Gene Wilder died from complications of Alzheimer's disease, his battle with which he had kept private for three years. Wilder was nominated for two Oscars -- first for his role in The Producers and then for his unparalleled performance in Young Frankenstein, both of which were directed by Mel Brooks. However, his performances in Willy Wonka and the Chocolate Factory and Blazing Saddles are equally beloved.

WATCH: Flashback -- A Look Back at Gene Wilder's Greatest Loves, From Gilda Radner to Mary Mercier

December saw the deaths of several huge stars due to heart failure, including Growing Pains actor Alan Thicke -- who died on Dec. 13 at age 69 -- the iconic Zsa Zsa Gabor, who died at age 99 on Dec. 18, and 53-year-old singer/songwriter George Michael, who died on Christmas Day.

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On Dec. 23, Star Wars icon Carrie Fisher was hospitalized after going into cardiac arrest while on a flight from London to Los Angeles. After four days in intensive care at the UCLA Medical Center, Fisher died. She was 60.

One day later, Fisher's mom, Singin' in the Rain star Debbie Reynolds, suffered a stroke while the family planned Fisher's funeral. Reynolds -- who was nominated for an Oscar for her role in the 1964 musical The Unsinkable Molly Brown -- died on Dec. 28, after being rushed the hospital, at age 84.

While last year was rough, 2017 hasn't slowed down much when it comes to claiming beloved stars. On Jan. 19, Twin Peaks and Robocop star Miguel Ferrer died at age 61 after a battle with cancer.

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Beloved comic and groundbreaking actress Mary Tyler Moore died the following week on Jan. 25. The sitcom icon died at age 80 from cardiopulmonary arrest complicated by pneumonia. While Moore was best known for The Mary Tyler Moore Show, the talented star was nominated for the Best Actress Oscar in 1981 for her performance in Ordinary People.

Jan. 25 also saw the death of acclaimed British thespian John Hurt, who was 77, after a battle with pancreatic cancer. Hurt was nominated for a Best Supporting Actor Oscar for Midnight Express in 1979 and nominated again in 1981 for Best Actor for his powerhouse performance in The Elephant Man.

These are just a few of the celebrated screen stars who left us since the last Oscar awards, and hopefully the memories of every fallen star will be honored at the upcoming Academy Awards In Memoriam tribute.

WATCH: Debbie Reynolds and Carrie Fisher: A Look Back at Their Unbreakable Bond