Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY

Mariah Carey Performs in Toronto

American singer, record producer, and actress, MARIAH CAREY, performed at the unveiling of The Bay's annual Christmas window. She sang a two-song musical performance in front of a crowd of thousands in Toronto. In picture: MARIAH CAREY