Miley Cyrus Kisses the “Cutest Boy on the Planet” — and It’s Not Her Fiance! 1 of 2 Prev Autoplay Next Tweet August 21, 2012 at 03:25PM EDT by Beth Douglass Related: Wetpaint Entertainment, Guess Who? , Miley Cyrus full size Credit: Miley Cyrus on Twitter Miley Cyrus Kisses the “Cutest Boy on the Planet” — and It’s Not Her Fiance! Miley Cyrus might be happily engaged to Hunger Games star Liam Hemsworth, but that hasn’t stopped her from kissing other boys!On August 20, Miley tweeted a photo mid-liplock. “woke up to sloppy wet kisses from the cutest boy on the planet!!! Guess who? ❤”Click to find out who the mystery guy is.