Aaron Carter's Fiancée Melanie Martin Spends Thanksgiving with Son Prince, Honors Aaron - TMZ

Carter family sources tell TMZ … Melanie and Prince -- the son she shared with Aaron -- spent Turkey Day with her family.

We're told Aaron used to be in charge of cooking the turkey, so this time Melanie and her fam tackled the chore in Aaron's honor ...

Melanie also kept up another of Aaron's Thanksgiving traditions ...

December was Aaron's birthday month and their anniversary.