Kissing your best friend on the cheek is one thing, but going straight for the mouth is a whole 'nother story. Of course, that doesn't stop celebrity besties like Blac Chyna and Amber Rose from doing it (right in front of the camera!).

MUST SEE: See Stars' Most Awkward PDA Moments

Click through the gallery to see all the celebrity girls who've locked lips like it ain't no thang.