The 20-year-old actress and singer posted about her Power Rangers co-star on social media for his 22nd birthday.
“Happy birthday @rj_cyler love you bro. God bless #BillyBlue,” she captioned a cute Twitter photo of two, which you can see below.
Pictured: Becky and Dacre Montgomery visit the Good Day New York studios to promote the film on Tuesday (March 21) in New York City.
Power Rangers hits theaters on Friday, March 24.