[10] During college, Bloom first performed at the Upright Citizens Brigade Theatre in New York with the group, and later on her own at its venue in Los Angeles.

[11] Bloom recorded a video for her original song "Fuck Me, Ray Bradbury" in April 2010 and it was released in advance of the writer's 90th birthday in August that year.

The audition video she submitted included a bit as Katharine Hepburn doing the voice for Bugs Bunny in Space Jam.

[19] Bloom provided the voice of Princess Peach in the song "Luigi's Ballad" on Starbomb's self-titled debut album, released in December 2013.

[19] On May 7, 2015, Bloom filmed a half-hour pilot for Showtime with co-executive producer Aline Brosh McKenna (The Devil Wears Prada), directed by Marc Webb.

Crazy-Ex Girlfriend became a critically acclaimed hour-long series with more network-friendly content when it transitioned from cable to network TV and features musical numbers.

[20] Bloom and her rescue dog Wiley appeared together in an #AdoptPureLove PSA for the Shelter Pet Project that began airing in 2019.

[22] In 2022, Bloom co-starred in the Hulu show, Reboot (2022 TV series), in which she played “Hannah,” the bitter daughter and co-worker of Paul Reiser’s character.

[24] On May 7, 2015, Bloom filmed a half-hour pilot for Showtime with co-executive producer Aline Brosh McKenna (The Devil Wears Prada), directed by Marc Webb.

[27] Crazy-Ex Girlfriend became a critically acclaimed hour-long series with more network-friendly content when it moved from cable to network TV[28][29][30] and began to feature musical numbers.

[34] On September 23, 2019, Bloom won the 71st Primetime Emmy Award for Outstanding Original Music and Lyrics for her work on Crazy Ex-Girlfriend.

[42] The award seeks to honor "individuals who have raised the visibility of the Asian Pacific American (APA) community through their craft”; her show Crazy Ex-Girlfriend was lauded for its decision to cast an Asian-American male in a trope- and stereotype-subverting lead role.

[45] Also on behalf of Crazy Ex-Girlfriend, Bloom was given the key to the city of West Covina[46] and raised funds for NAMI through a massive prop/costume auction.

[48] In 2019, Bloom was honored by the Human Rights Campaign as an Ally for Equality,[49] and received the Ana Huna Leadership Award from Miry’s List, an organization that welcomes new arrival refugee families to America.

[52] In 2022, she was involved in a push to demand abortion protections from major studios,[53] and in August 2024, she signed an open letter asking for better disability representation in Hollywood.