Miley CyrusMiley Cyrus puts on a little public display of affection in the most romantic city in the world -- Paris.

Photographers snapped the tween superstar smooching a boy on the Champs-Elysee.

To our eyes, it looks like her rumored boyfriend and 'Last Song' co-star Liam Hemsworth, but we're not so sure.

Who do you think it is?