Ariana DeBose’s mother Gina died at age 57 on Aug. 17, "due to complications with stage 3 ovarian cancer," the Oscar winner announced: "I couldn’t be more proud of her and how she fought this insidious disease over the past three years.

Ariana DeBose pays tribute to her mom, who died Monday at age 57. 'She was my favorite person, my biggest fan and toughest critic,' says the Oscar winner.

Ariana DeBose's mother Gina Michelle DeBose died Sunday morning "due to complications with stage 3 ovarian cancer ," the actress and singer said this week. The "West Side Story" and "Love Hurts" star took to Instagram on Tuesday, posting a carousel of photos and a touching tribute to her "gorgeous, hilarious, outspoken, warrior queen Mother."