Penelope Cruz showed off Josh Harnett to her celebrity pals at her 33rd birthday party on April 28 at NYC's Beatrice Inn, which is owned by Chloe Sevigny's brother, Paul .
"Penelope and Josh were cute, and just a lovely couple," a source tells Star.
Ashton Kutcher, Demi Moore, Tobey Maguire, James Franco, Leonardo DiCaprio, Ashley and Mary-Kate Olsen, Naomi Watts, Lucy Liu, Liev Schreiber, Chris Rock and Lenny Kravitz attended.
thebosh.com