"I'm so grateful for all of our years of friendship", says Kristin Davis

Kristin Davis paid tribute to her "Sex and the City" costar and friend Cynthia Nixon her birthday. 'I’m so grateful for all of our years of friendship', she said. 'Sex and The City' costar said she was grateful for her friendship with Nixon.

Kristin Davis and Cynthia Nixon attended The New Group Gala in NY. The 59-year-old brunette held hands with Nixon, 57, who serves on the board of the troupe. Kristin and Nixon attended the gala together in New York City.