Leonardo DiCaprio & Rihanna — First Photo!! Banging, But It’s a Little One-Sided

EXCLUSIVE

Rihanna and Leo DiCaprio should be a perfect match — neither’s into settling down with one person for too long — but now that they’re banging … one of them is way more committed than the additional.

We got pics of RiRi and Leo getting cozy recently at her birthday have fun — which he helped organize — and sources at the bash tell us one…