Mariah Carey pats her growing bump as she gets into the Christmas spirit at Disney World

http://www.youtube.com/watch?v=8SzpL1zLBWIendofvid[starttext]By DAILY MAIL REPORTERThat's my baby! Pregnant Mariah Carey pats her bump as she performs at the Disney Parks Christmas Day Parade in FloridaShe's made no secret of the down sides of pregnancy, talking about her swollen fingers, nausea and exhaustion.But it's clear Mariah Carey is thrilled with her growing bump, which she happily patted