Marriott International placed its global media buying and planning account, estimated at $80 million, in review.

Royal Caribbean placed its global media account, estimated at $60 million, in review. JWT and Mindshare currently handle the account.

NBC Universal and Comcast Corp. awarded their combined $1.4 billion media buying and planning business to GroupM's Maxus and Publicis Groupe's SMG.

Bernstein-Rein was named agency of record for all Hostess brands, including Hostess, Drake and Dolly Madison snack cakes as well as bread brands such as Wonder, Nature's Pride, Merita and Butternut, after a review that included Grey New York. BR will handle creative duties, strategy, digital and media buying and planning.

Bernstein-Rein Advertising Agency was named agency of record for Haverty Furniture. The agency will handle media planning and buying, analytics, creative, social media and digital work.

T-Mobile USA tapped Big Fuel as its social media agency of record.

Big Spaceship was tapped by Chobani yogurt to be agency of record for the company's Champions line of yogurt, designed for children. The agency will oversee all integrated marketing for Chobani Champions, including branding, package design, digital, mobile, social and brand partnerships. Big Spaceship's first work for Chobani Champions will launch this summer. Billings were not disclosed.

Exopolis was named digital agency of record for SunnyD, part of the Sunny Delight Beverages Co.

Burger King shifted its $300 million media buying duties from Mindshare to Starcom.

LBi was awarded Coca-Cola's global digital duties for its 2012 Olympics sponsorship. SapientNitro previously handled the work.