[5] Tobin began her professional career on the stage in Houston, Texas, in a Theatre Under the Stars production of the musical Cats.

[8] Tobin made her Broadway debut as a replacement for the role of Sherrie Christian and a swing for the musical Rock of Ages.

[12] Several songs performed by Tobin as Kitty on the series have been released as singles available for digital download, and have also featured on the soundtrack albums.

In 2014, Tobin guest starred in Lifetime's legal comedy-drama series Drop Dead Diva as Empress Katia in the episode "Afterlife".

[13] That same year, she appeared as Kimmee Kittson in the episode "Passing the Torch" of ABC Family's sitcom Mystery Girls.

[15] Since December 2015, Tobin has co-hosted the female-centric podcast series "The Lady Gang" with Keltie Knight and Jac Vanek.

[18] They married in a private ceremony, officiated by Tobin's Glee co-star Jane Lynch, in Jackson Hole, Wyoming on December 3, 2016.