Model Petra Nemcova, 28, is Sean Penn’s latest conquest. They came out in the open when they attended Elton John’s A-list party after the Oscars. It must be a serious romance for Sean to take her to Elton John’s 16th Annual AIDS Foundation Oscar on Sunday night at the Pacific Design Center.

Petra ended her romance with James Blunt last year. Sean was also recently made single after his split with his ex-wife, Robin Wright. Sean, 47, had been dodged by rumors in his 11 year old marriage and when the split was announced, it was not a total surprise.

Sean and Petra faced the friendly glares of numerous celebrities like Simon Cowell, Terri Seymour, Heidi Klum and Seal, Sharon Stone, Kate Beckinsale, Ellen DeGeneres and Portia de Rosspetra-nemcova