Is Pinkie Pie on My Little Poney racist?

http://tvtropes.org/pmwiki/pmwiki.php/FridgeBrilliance/MyLittlePonyFriendshipIsMagicSeason1

http://mlp.wikia.com/wiki/File:MLP_FiM_Music_Evil_Enchantress_(Pinkie_Pie%27s_Version)_HD