Michelle Obama Hugging Bo | Pictures

It's been a busy week across the globe as the holidays approach. In London, Queen Elizabeth II and Prince Philip made a royal appearance, a fashion runway got an icy makeover, and our favorite '90s girl group reunited to celebrate the Spice Girls musical. In the midst of this jolly season, though, people are grieving, too — for both the UK nurse who lost her life and all those affected by the tragic elementary school shooting in Connecticut. See what's happening around the world by checking out the week in pictures now.