This week was all about Kate, as it was announced that the Duke and Duchess of Cambridge, Prince William and Kate Middleton, are expecting a baby! Other big news this week included 2013's Grammy nominees being announced and the Obamas hosting the annual national Christmas tree lighting at the White House. See all the holiday prep and other events going on around the world — including an attempt at the skinny-dipping record! — in our week in pictures.
Prince William and his expectant wife, Kate Middleton, were all smiles when leaving the hospital after Kate was admitted for acute morning sickness.
A woman released a lantern in the sky during Thailand's celebrations in honor of the country's monarch's 85th birthday.
The UK's Salisbury Cathedral was lit up during the annual "darkness to light" advent procession.
Florence Welch of Florence + the Machine performed in London. It was just announced that the band is nominated for two Grammys at the 2013 award show.
Men dressed as centaurs flanked a model during French Couture Week in Singapore.
A woman walked past a mural of Obama in Miami.
A group of kiwis stripped down in an attempt to break the skinny-dip world record at Papamoa Beach in Tauranga, New Zealand.