'Us' star Lupita Nyong'o reveals how she terrified her own mom l GMA

The star of the eagerly anticipated new thriller tells "GMA" what it's like to act opposite herself and teases a "HUGE" reveal about 'Star Wars: Episode IX' and the 'Black Panther' sequel.

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'Us' star Lupita Nyong'o reveals how she terrified her mom

Fans know Lupita Nyong'o from "Black Panther" but the Oscar winner is taking on a new movie genre in the horror film, "Us."

Nyong'o stopped by "Good Morning America" Tuesday to discuss the terrifying film and admitted that she loves scaring people in real life -- including her own mother.

"My mom was terrified of seeing this film," Nyong'o told "GMA." "In fact, she watched it with her eyes closed and [covered] her ears so she hasn't really seen it."

In "Us," Nyong'o and her co-star Winston Duke are being terrorized by a family that looks just like them. Nyong'o therefore acts in two different roles at the same time.

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