By Breaking Celebrity News Staff

Miley Cyrus looked smokin’ hot -- literally – on a weekend getaway with her hunky Aussie boyfriend Liam Hemsworth in Orchard Lake, Michigan.

The Hannah Montana star looked extremely healthy and fit in her ruffled brown bikini -- despite the very unhealthy cigarette habit she seems to be developing (to be fair -- it's legal now that she's 18) -- on her romantic vacation with Hemsworth on Sunday.