ET spoke with the actress and nominee on the silver carpet at the 25th Screen Actors Guild Awards in Los Angeles.
ET is taking a look at some of the best moments from the 24th annual Critics' Choice Awards.
The actress also slips up about her involvement in 'Toy Story 4' at the 76th Golden Globe Awards, which aired Sunday on NBC.
Alexis died in 2016 after a longtime battle with HIV.
The second annual Women's March brought hundreds of thousands out to rally for equal rights, empowerment and against sexual harassment and misogyny.
The comedian apologized on Saturday, explaining he regrets using the racial slur and is 'very sorry.'
The actress delivered a moving tribute to her late sister at Saturday's GLAAD Media Awards in Los Angeles.
The 'Riverdale' star spoke to ET backstage at the GLAAD Media Awards, after presenting Alexis' sister, Patricia with the Vanguard Award.
ET spoke with Patricia backstage after accepting the Vanguard Award at the 29th annual GLAAD Media Awards, where she paid tribute to her late sister.
Luke Perry emotionally pays tribute to the late Alexis Arquette.
The actress paid tribute to her late sister while receiving an award on Saturday.
Moonlight' and 'Transparent' were among the big winners.
The 48-year-old actress will receive the organization's Vanguard Award.
"I think that was a real slight to the trans community."