Robin Roberts

TV personality Robin Roberts arrives at the 84th annual Academy Awards held at the Hollywood and Highland Center on Feb. 26, 2012, in Hollywood, Calif.

Roberts announced June 11, 2012 that she has been diagnosed with myelodysplastic syndrome (MDS), more commonly known as preleukemia, and would begin a course of treatment that included chemotherapy and a bone marrow transplant.

President Barack Obama participates in an interview with Robin Roberts of ABC's Good Morning America, in the Cabinet Room of the White House on May 9, 2012, in Washington. During the interview, President Obama expressed his support for gay marriage, a first for a U.S. president.

AP120523113807.jpg_5.jpg — AP Photo/ABC, Donna Svennevik

Host Robin Roberts sits with actor Will Smith during "Good Morning America," broadcast from The U.S.S. Intrepid aircraft carrier, May 23, 2012, kicking off Fleet Week in New York.

ABC "Good Morning America" co-anchor Robin Roberts stands with models after walking the runway at a showing of designer Isaac Mizrahi's Fall 2008 collection, Feb. 7, 2008, in New York, as part of the morning show's "I Dare You" series. Roberts, who was diagnosed with breast cancer the previous summer and had recently completed chemotherapy treatments, also appeared live on television without her wig for the first time.

Singer Chris Brown, left, is interviewed by co-host Robin Roberts on the morning program "Good Morning America," March 22, 2011 in New York. Brown was promoting his new album, which was released that day. During his interview, Roberts asked him about the 2009 attack on his then-girlfriend Rihanna.

Musician Renee Fleming, actor Dick Van Dyke, anchor Robin Roberts and singer Lionel Richie listen as President Barack Obama speaks during the taping of "America Celebrates July 4th at Ford's Theatre," a gala honoring South African Archbishop Desmond Tutu and South African Constitutional Court Justice Albie Sachs,' in Washington, D.C., June 6, 2010.

"Good Morning America" anchor Robin Roberts prepares to walk the catwalk as a celebrity participant in the 2010 Heart Truth Fashion Show in New York.

TV personality Robin Roberts and ESPN personality Stuart Scott present the Jimmy V Award for Perserverance at the ESPYs Awards on July 16, 2008, in Los Angeles.

From left, Lara Spencer (as Lady Gaga), Biana Golodryga (as Beyonce), Robin Roberts (as Nicki Minaj) and Cameron Mathison (as a zombie) dress up on "Good Morning America" in New York on Oct. 31, 2011.

TV personality Robin Roberts arrives at the 83rd annual Academy Awards held at the Kodak Theatre on February 27, 2011, in Hollywood, Calif.

TV personality Robin Roberts, a cancer survivor, speaks on the phone at Stand Up To Cancer at Sony Pictures Studios on Sept. 10, 2010, in Culver City, Calif.

TV host Robin Roberts attends the 2011 U.S. Open opening night ceremony on Aug. 29, 2011, in New York.

In this undated photo provided by ABC News, Robin Roberts, right, talks to Nafissatou Diallo, the alleged victim in the Dominique Strauss-Kahn assault case.

ABC's "Good Morning America" co-host Robin Roberts and singer/rapper Nicki Minaj onstage at ABC's "Good Morning America" at Rumsey Playfield, Central Park on August 5, 2011, in New York.

Journalist Robin Roberts and host Steve Harvey speak on stage during the New York Gala benefiting The Steve Harvey Foundation at Cipriani, Wall Street on May 3, 2010, in New York.

96598893.jpg_5.jpg — Brian Ach/Getty Images for IMG

TV personality Robin Roberts and Elisabeth Hasselbeck backstage at the Heart Truth Fall 2010 Fashion Show during Mercedes-Benz Fashion Week at The Tent at Bryant Park on Feb. 11, 2010, in New York.

TV personality Robin Roberts attends the AFTRA AMEE Awards at The Grand Ballroom at The Plaza Hotel on Feb. 22, 2010, in New York.