Robin Roberts came out via Facebook thanks to her longtime girlfriend for all her support after her bone marrow transplant this year.
Ellen Degeneres came out in 1997 in the most public way possible: by having her TV character on Ellen reveal she was gay at the same time she appeared on a Time magazine cover declaring the same about herself.
After years of speculation (and paparazzi photos out with his partner), Anderson Cooper finally admitted he was gay via an email to a friend at the Daily Beast, which he intended for publication.
Star Trek star Zachary Quinto came out in an interview with New York magazine in which he discussed starring in a play about AIDS and the bullying of gay teens.
Big Bang Theory star Jim Parsons brought his long-term partner to many events and thanked him publicly after an Emmy win, but he didn't explicitly acknowledge his sexuality until a 2012 interview in the New York Times.
Neil Patrick Harris revealed his sexuality in a statement to People in 2006: "I am happy to dispel any rumors or misconceptions and am quite proud to say that I am a very content gay man living my life to the fullest."
Lance Bass also talked to People, coming out on a cover of the magazine.
Rosie O'Donnell's character on Will and Grace came out as gay just a few months before she discussed her sexuality in a comedy routine at a benefit.
Adam Lambert kept mum about his sexuality throughout his stint as a competitor on American Idol, then came out in an interview with Rolling Stone, suggesting that was the rock and roll way to do it!
Wanda Sykes waited for an especially powerful moment to come out: at a gay-rights rally in Las Vegas immediately after the passing of Prop 8.
After years of avoiding questions about his sexuality, Ricky Martin discussed it in a statement on his website, saying "I am proud to say that I am a fortunate homosexual man. I am very blessed to be who I am."
Sir Ian McKellen came out publicly at age 49 after his native UK passed another anti-gay law. He now says he wishes he had done it earlier.
After more states legalized gay marriage, former Disney star Raven-Symone posted a delighted tweet that also revealed her sexuality, "I can finally get married! Yay government! So proud of you."
Victor Garber admitted his sexuality indirectly in an interview in 2013, saying that "everybody knows" and that he has been in a relationship with a male model for 14 years.