Photos: Grammy nominations 2015: Show highlights

Ariana Grande and Big Sean, who are rumored to be dating, hit the stage in a duet performance.

Ariana Grande and Big Sean, who are rumored to be dating, hit the stage in a duet performance. (Paul A. Hebert / Invision / AP)

By Christy Khoshaba

Dec. 4, 2014 4:49 PM PT

A look at the musical acts at the taping of “A Very Grammy Christmas” on Nov. 18, 2014, at the Shrine Auditorium in Los Angeles. The television special will air on Dec. 5, and the 57th Annual Grammy Awards will take place in Los Angeles on Feb. 8, 2015.

A Very Grammy Christmas

Maroon 5 band singer Adam Levine gets into the groove. (Robyn Beck / AFPGetty Images)

A Very Grammy Christmas

Mary J. Blige is the center of attention amid a wave of fog. (Paul A. Hebert / Invision / AP)

A Very Grammy Christmas

Country music star Tim McGraw extends his arms toward the audience.

(Robyn Beack / AFP/Getty Images)

A Very Grammy Christmas

Pharrell Williams flaunts his choreographed routine. (Paul A. Hebert / Invision/AP)

A Very Grammy Christmas

A look at Ariana Grande from afar, with candy canes, lights and all. (Paul A. Hebert / Invision/AP)

A Very Grammy Christmas

Host LL Cool J chuckles. (Frederick M. Brown / Getty Images)

A Very Grammy Christmas

Ariana Grande touches her heart as she burst into her lyrics. (Paul A. Hebert / Invision / AP)

A Very Grammy Christmas

Mary J. Blige offers a powerful performance. (Frederick M. Brown / Getty Images)

A Very Grammy Christmas

Ariana Grande seems to be the life of the part amid men. (Frederick M. Brown / Getty Images)

A Very Grammy Christmas

Adam Levine of Maroon 5 closes his eyes for ample effect. (Frederick M. Brown / Getty Images)

A Very Grammy Christmas

A look at Ariana Grande from afar as she performs solo in a red dress. (Frederick M. Brown / Getty Images)

A Very Grammy Christmas

Ariana Grande looks ahead as she sings. (Robyn Beck /AFPGetty Images)

A Very Grammy Christmas

Tim McGraw gets into his country mojo.

(Robyn Beack / AFPGetty Images)

Christy Khoshaba

Christy Khoshaba is a former entertainment producer for the Los Angeles Times.

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