Cynthia Lee Fontaine competed on the
eighth season of ''RuPaul's Drag Race'', which premiered on March 7, 2016. During the show, she frequently referred to her "cucu", meaning buttocks, which became a part of the show's slang. Cynthia Lee Fontaine was the third queen eliminated, garnering a 10th-place finish. Even though she was only on the show for three episodes, She was voted Miss Congeniality by the fans, giving her the distinction of being voted Miss Congeniality while having spent the least amount of time on the show compared to other award recipients. Cynthia Lee Fontaine was invited back for ''RuPaul's Drag Race
season 9 as the surprise 14th queen. The show premiered on March 24, 2017. In episode six, She portrayed Sofia Vergara for Snatch Game, an impersonation that was not received well by the judges. The A.V. Club'' wrote "Cynthia Lee Fontaine’s Sofia Vergara is the big disaster of this "Snatch Game," and even without the largely incomprehensible dialogue, it's a failure on a visual level." Cynthia Lee Fontaine ended up securing once again the 10th-place finish, being sent home in a lipsync challenge against
Peppermint. In an interview with
Vulture, Cynthia Lee Fontaine said: in 2022 The
Houston Chronicle, lamenting her short run on the show in season 8, stated Cynthia Lee Fontaine was "like a bilingual
Tammie Brown", referencing another queen from
season 1 of the show. Cynthia Lee Fontaine is a regular guest at the RuPaul's Drag Cons. She appeared at
RuPaul's DragCon LA 2016 and 2017, and at
RuPaul's DragCon NYC in 2017 and 2019. In November 2017, Cynthia Lee Fontaine participated in Queens United/Reinas Unidas, a benefit show organized by
Phi Phi O'Hara in support of Puerto Rico following
Hurricane Maria. The show raised over $80,000. Cynthia Lee Fontaine stated, "Puerto Rico, you are part of our heart in the United States of America. I'm Puerto Rican. I love you from the bottom of my heart, and you've got our support." In September 2018, Cynthia Lee Fontaine became the third drag queen ever hosted at
Bowdoin College in Brunswick, Maine. Previous drag queens performed there in 2012 and 2015. The event, hosted by the Latin American Student Organization, included a performance and interview, which "touched on themes of family, health and getting out of one's comfort zone." On her
YouTube channel, Cynthia Lee Fontaine has two shows:
CuCu Confessions and
Memoirs of My CuCu. Cynthia Lee Fontaine released her first single "Pegajosa" in November 2018. Writing for
World of Wonder,
James St. James called the song "fabulous" and the accompanying music video "ultra-fabuloso". On April 23, 2025, Cynthia Lee Fontaine was announced as one of eighteen former
Drag Race contestants participating in the
tenth season of ''
RuPaul's Drag Race All Stars'', where she placed in 10th. ==Personal life and recognition==