Meet the Gwenabees!

It's Grammy week, and pop diva Gwen Stefani is getting ready by teaming with MasterCard to give fans a priceless surprise! MasterCard will tweet clues through Thursday, and if you can decipher the message, you could win a big surprise, like tickets to see the 2015 Grammy Awards or Gwen in concert at L.A.’s famed Orpheum Theater!

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