Maya Hawke attended Sony Pictures’ “Once Upon a Time … in Hollywood” Los Angeles Premiere on July 22, 2019 in Hollywood, California. In the film, Maya – the 20-year-old daughter of Uma Thurman and Ethan Hawke, played Flowerchild, a member of the Manson Family, a cult led by Charles Manson in late-1960s–early-1970s California.