Mariah Carey's kids join her sweet 'All I Want for Christmas Is You' Thanksgiving Day Parade performance

Mariah Carey's kids join her sweet 'All I Want for Christmas Is You' Thanksgiving Day Parade performance

Mariah Carey's kids join her sweet 'All I Want for Christmas Is You' Thanksgiving Day Parade performance The legally unofficial (but, honestly, kind of official) Queen of Christmas made her Macy's Thanksgiving Day Parade debut a family affair. Pop icon Mariah Carey joined the annual NBC broadcast for a performance of her perennial holiday hit "All I Want for Christmas Is You" at the end of the event, just before Santa Claus' sleigh arrived at 34th Street in Manhattan. Sporting …