Mariah Carey, Carlos Santana and the father of Halle Berry's baby girl, Gabriel Aubry, are the stars of a new TV ad for U.S. department store MACy's, which will debut next week (beg24Mar08). The trio will join MACy's regular Martha Stewart in the starry commercial. Carey and Santana also feature in the first Spanish-language version of a MACy's ad. MACy's stocks products endorsed by the celebrities.