Reese Witherspoon's daughter Ava Phillippe stepped out with her boyfriend Owen Mahoney for a lunch date Tuesday. Phillippe, 21, wore a pink cropped top paired with blue jeans while Mahoney kept it casual in a tie-dye graphic tee.The "Little Fires Everywhere" actress' daughter first started sharing photos with Mahoney on social media back in 2019, but it's unclear when the pair actually began dating.