The 40-year-old "Bang-Bang Club" actor is father to 16-year-old Ava Elizabeth, who he has with actress former wife Reese Witherspoon.
"My daughter hates it. Because sometimes people have thought I'm her brother and she's freaked out by that," Phillippe said.
The actor moreover, said he still gets carded "constantly" in bars and restaurants by people who think he is under 21 years old.
"It's crazy. And still, I get carded constantly," so he said.