Barbara Walters interviewed Barbra Streisand for the first Barbara Walters Special, in this Dec. 14, 1976, file photo which aired on the ABC Television Network.

Barbara Walters interviewed Cuban president Fidel Castro as they crossed the Bay of Pigs on an ABC News Special which aired June 9, 1977 on the ABC Television Network.

Barbara Walters talked to Lucille Ball and her husband, Gary Morton, on "The Barbara Walters Special" airing Dec. 6, 1977, on the ABC Television Network.

Boxing legend Muhammad Ali and his wife, Veronica Porche Ali, introduced their daughters Hana (with dad) and Laila to Barbara Walters on "The Barbara Walters Special" airing on the ABC Television Network, May 30, 1978.

Barbara Walters interviews John Wayne on "The Barbara Walters Special" airing March 13, 1979 on the ABC Television Network.

Barbara Walters interviews Anwar Sadat at the Egyptian Embassy in Washington, D.C., after the signing of Egypt-Israel Peace Agreement, March 26, 1979.

Fred Astaire spoke with Barbara Walters about his career, his show business debut at the age of 5 with his sister Adele, and dancing partner Ginger Rogers on "The Barbara Walters Special" Feb. 27, 1980.

Former Secretary of State Henry Kissinger and Barbara Walters provided election night results for the 1980 presidential race between Jimmy Carter and Ronald Reagan from the ABC News desk, Nov. 4, 1980.

On Oscar night, Barbara Walters interviewed Ringo Starr on "The Barbara Walters Oscar Special" which aired, March 31, 1981 on the ABC Television Network.

Barbara Walters interviewed Katherine Hepburn for ABC News' "20/20," which aired June 2, 1981 on ABC.

Barbara Walters is shown here interviewing country music legend and activist Willie Nelson on June 15, 1982 for "The Barbara Walters Special," which aired on ABC.

Barbara Walters joined Walter Cronkite and his wife on Martha's Vineyard, on "The Barbara Walters Special" airing on the ABC Television Network, Dec. 6, 1983.

Barbara Walters interviewed Muammar Gadhafi outside his tent in Tripoli, Libya, for ABC News' "20/20," which aired on Jan. 27, 1989.

Jay Leno showed Barbara Walters his collection of vintage cars during an interview on Sept. 26, 1989, for "The Barbara Walters Special," which aired on ABC.

Barbara Walters interviewed Whoopi Goldberg at her Los Angeles home in 1991 for an Oscar night special. At the time, Goldberg had been nominated for Best Supporting Actress for her role in "Ghost." She would go on to win the Oscar.

In 1997, Michael Jackson spoke to Barbara Walters in an exclusive interview about the controversial paparazzi, his experiences with the tabloid press and what it meant to him to be under such intense scrutiny.

Former White House intern Monica Lewinsky, whose explicit sexual affair with President Bill Clinton resulted in Clinton's impeachment, broke her longtime silence to talk with Barbara Walters on ABC News' "20/20." The interview aired on March 4, 1999, and remains one of the most-watched TV news interviews ever.

On Oscar night in 2000, Barbara Walters talked with Arnold Schwarzenegger about his career, politics, his then-wife Maria Shriver, and the couple's new baby, for "The Barbara Walters Oscar Special," which aired on ABC.

Barbara Walters interviewed Russian President Vladimir Putin for ABC News' "20/20," which aired Nov. 7, 2001. It marked the first time President Putin was interviewed by an American journalist since the Sept. 11, 2001 terrorist attacks on the United States.

Barbara Walters spoke to "Superman" actor Christopher Reeve at his upstate New York home on Sept. 7, 2002 for an interview that aired on ABC. Walters interviewed Reeve several times after he was paralyzed in a 1995 horseback riding accident. Reeve died in 2004.

Barbara Walters named Tom Cruise the Most Fascinating Person of 2005 in the ABC News special, "Barbara Walters Presents: The 10 Most Fascinating People of 2005." In the interview, Cruise said he had no regrets about his much-publicized couch-jumping incident on "The Oprah Winfrey Show."

Barbara Walters sat down with Vogue magazine's Editor-in-Chief Anna Wintour at the magazine's headquarters in New York City, Dec. 12, 2006, for the ABC News special, "Barbara Walters Presents: The 10 Most Fascinating People of 2006." <a href="https://abcnews.go.com/2020/story?id=2716887&page=3" target="external">Read more about the interview HERE</a>

Barbara Walters interviewed controversial Venezuelan President Hugo Chavez on March 10, 2007. It was the first time Chavez had been interviewed by an American television journalist since he called President George W. Bush "the devil" in a 2006 speech before the U.N. General Assembly. <a href="https://abcnews.go.com/blogs/headlines/2013/03/reporters-notebook-barbara-walters-rare-interview-with-hugo-chavez/" target="external">Read more about the interview HERE</a>

Barbara Walters sat down with Oprah Winfrey, as she transitioned from her daytime talk show to her own cable TV network, for a one-hour ABC News special that aired in November 2010 on ABC. <a href="https://abcnews.go.com/Entertainment/oprah-winfrey-relationship-gayle-king-im-lesbian/story?id=12334032" target="external">Read more about the interview HERE</a>

Barbara Walters interviewed teen sensation Justin Bieber backstage at the Izod Arena in New Jersey for the ABC News special, "Barbara Walters Presents: The 10 Most Fascinating People of 2010." He was 16 years old at the time.

Barbara Walters interviewed Syrian President Bashar al-Assad in 2011, his first interview with an American journalist since the uprising in Syria began almost a year prior. <a href="https://abcnews.go.com/International/bashar-al-assad-interview-defiant-syrian-president-denies/story?id=15098612" target="external">Read more about the interview HERE</a>

Barbara Walters poses for a picture with Kermit the Frog and Ms. Piggy for the "Best in TV: The Greatest TV Shows of All Time", which aired as a special edition of ABC News' "20/20" in 2012 on ABC, in conjunction with ABC's broadcast of the Emmy Awards.

Barbara Walters interviewed Miley Cyrus for "Barbara Walters Presents: The 10 Most Fascinating People of 2013." In the interview, Cyrus talked about some of her fears and insecurities, and ending her engagement to Liam Hemsworth. <a href="https://abcnews.go.com/2020/video/miley-cyrus-life-liam-hemsworth-21272146" target="external">Watch the interview HERE</a>

Barbara Walters sat down Los Angeles Clippers owner Donald Sterling’s confidante V. Stiviano for an exclusive interview, May 2, 2014. It was Stiviano's first TV interview since the NBA handed Sterling a lifetime ban and a $2.5 million fine for his racial remarks featured in a leaked audiotape recording. <a href="https://abcnews.go.com/US/barbara-walters-interviews-stiviano-abc-news-exclusive/story?id=23569035" target="external">Read more about the interview HERE</a>

Barbara Walters sat down for an exclusive interview with Donald Sterling's wife, Shelly Sterling on Sunday, May 11, 2014. During the interview, Shelly Sterling said she didn't think her estranged husband is a racist, but she believes he is in the "onset of dementia." <a href="https://abcnews.go.com/Entertainment/abc-news-exclusive-shelly-sterling-donald-sterling-onset/story?id=23674944" target="external">Read more about the interview HERE</a>