Nixon made her Broadway debut in the 1980 revival of The Philadelphia Story.
She has earned a Grammy Award for Best Spoken Word Album in 2009 for An Inconvenient Truth. Nixon, Jr., a radio journalist and Anne Elizabeth Knoll, an actress.
She is bisexual as she has been in a serious relationship with both men and women.
I love her sexuality — it’s a big part of what I love about her — but I feel like it was ” In the revealing piece, Cynthia also opened up about getting away from Miranda when she’s not working on “Sex and The City” projects.
“I don’t have red hair in real life, so when we’re not in production, I make my way back to blond,” she said.
She landed her first major supporting role in a movie as an intelligent teenager who aids her boyfriend (Christopher Collet) in building a nuclear bomb in Marshall Brickman's The Manhattan Project (1986).
Nixon was part of the cast of the NBC miniseries The Murder of Mary Phagan (NBC, 1988) starring Jack Lemmon and Kevin Spacey, and portrayed the daughter of a presidential candidate (Michael Murphy) in Tanner '88 (1988), Robert Altman's political satire for HBO.When Samantha Jones began dating a Latina artist in Season 4 of “Sex and The City,” her announcement – that she was in a lesbian relationship — came as a shock to her NYC BFFs – Carrie (Sarah Jessica Parker), Charlotte (Kristin Davis) and Miranda (Cynthia Nixon).In real life, when Cynthia began her own lesbian relationship with Christine Marinoni, there was no immediate announcement, but her friends – like co-star Kristin Davis – couldn’t help but notice the blooming romance.“And I thought, She’s really into this.” Cynthia, who is featured on the cover of the newest issue of The Advocate, revealed that she was surprised by the attention her relationship attracted and she was delighted to reveal her relationship publicly when the time was right. ’” Cynthia said of her talk with her publicist and manager. It was so fantastic.” In the mag, Cynthia got candid about her relationship with Christine – a redhead who is often spotted in pressed shirts and pants.“She’s basically a short man with boobs,” Cynthia laughed. I’m not saying I fell in love with her in a sexually neutral way.The immense popularity of the series led Nixon to enjoy her first leading role in a feature, playing a video artist who falls in love, despite her best efforts to avoid commitment, with a bisexual actor who just happens to be dating a gay man (her best friend) in Advice from a Caterpillar (2000), as well as starring opposite Scott Bakula in the holiday television movie Papa's Angels (2000).