Kaley Cuoco shared an update on her relationship with boyfriend Tom Pelphrey, having grown stronger each day they've spent together.MORE: Kaley Cuoco wows in bedazzled mini dress amid sweet relationship newsShe revealed that they'd taken the step to add a new member to their family by adopting a dog from a shelter together that they'd named King.VIDEO: Kaley Cuoco and Tom Pelphrey react to Emmy nominationsThe actress shared the sweet news with a slew of photographs on her Instagram Stories, including one of the pair cuddling up to their new pet."Welcome to the family King!! I swear he's happy, don't let his crazy derp eyes fool you!" she wrote beside the photo.MORE: Kaley Cuoco and Tom Pelphrey look so in love during red carpet debut at the Emmys"Thank you @rescuedogsrocknyc @lakehartwellvet and everyone who made this union possible.