Reese Witherspoon just shared her experience of motherhood! The 44-year-old Big Little Lies actress made an appearance on The Drew Barrymore Show on Tuesday (September 15). During her appearance, Reese, who is mom to Ava, 21, Deacon, 16, and Tennessee, 7, opened up about becoming a mother at the start of her career. “To be completely candid, I was terrified too.