Which one's his daughter again?

Antonio Banderas not only brought his girlfriend Nicole Kimpel to the gala premiere of his new film The 33 in Hollywood on Nov. 9, but also 19-year-old daughter Stella — and it was hard to tell the two blondes apart!

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The 55-year-old actor has been dating the 35-year-old bombshell since his separation from ex-wife Melanie Griffith last year.

Scroll down to see more Hollywood hunks dating women young enough to be their offspring!