Shemar Moore Says Grammy Date Anabelle Acosta Should Squash Gay Rumors

[[tmz:video id="0_8xv81k8i"]] Shemar Moore's heard the rumors he's gay because he's frequently dateless for big events -- but says "Quantico" star Anabelle Acosta should take care of that. We got Shemar with Anabelle Monday at LAX, on their way back…