Leonardo DiCaprio (INFphoto.com)

Jonah Hill won’t be getting any Oscars for acting cool around topless babes.

Maybe he should get some lessons from his “Django Unchained” co-star Leonardo DiCaprio, who treated Hill and some other pals to a wild yacht party in Sydney.

A slew of celebs, including Jamie Foxx, Chace Crawford and Samantha Ronson, flew in to Sydney with the hard-partying Leo on Friday to welcome in 2013 Down Under before heading back to the States.