A year after his relationship with Charlize Theron ended abruptly, Sean Penn has found himself a new woman — a 24-year-old!

The 56-year-old was spotted kissing Leila George in Hawaii earlier this week, and later stepped out with her on the red carpet in LA on Oct. 6.

MUST SEE: Jennifer Lopez and Marc Anthony Are Back Together — But It's Not What You Think!

Leila is the daughter of Law & Order: Criminal Intent star Vincent D'Onofrio, and is an actor like her dad.

sean penn leila george getty images

She recently appeared in the TV movie Mother, May I Sleep with Danger? alongside James Franco and Tori Spelling.

Fun fact: Sean's daughter Dylan Penn is actually a year older than his new girlfriend. He also has a 23-year-old son named Hopper.

Scroll through the gallery below to see more celebs who are seriously involved with women young enough to be their daughters!