Instagram followers in which she explained that the company had sent her a personalized Bud Light can with her face on it to commemorate 365 days of being a girl.
Mulvaney's Day 365 Of Girlhood video series has been a viral success and has charted her first year of transitioning.However, the partnership has drawn condemnation from some social media users, prompting calls for a boycott.
Budweiser, which is owned by Anheuser-Busch, is not the first brand to face calls for people to stop using over its partnership with transgender activists.
Chocolate makers Hershey's also faced a similar response to an advertising campaign in February after including a transgender rights activist's face on special chocolate bar wrappers in Canada for International Women's Day.The row over transgender brand ambassadors is symbolic of a wider debate about the inclusion of transgender women in female issues and spaces.