Gwen Stefani’s 56th birthday party was full of surprises, but none bigger than the mysterious, unexpected gift from Blake Shelton — handcrafted by Blake himself. Everyone at the celebration was stunned, and when Gwen unwrapped it, she gasped loudly, “OMG!” The priceless reaction was caught on video, and the gift-unwrapping video quickly went viral and became the center of attention across social media