BOLDUAN: How about something just plain old happy, like rainbows and butterflies happy. We have to get far, far away from Washington and across the pond. A royal wedding officially in the works. Prince Harry and American Actress Meghan Markle announcing their engagement and taking part in this first engaged couple photo op. Joining me now so give me the details, Kate Williams, CNN historian and royal expert. Great to see you, Kate. What has been the reaction and what are the details that we know?</s>KATE WILLIAMS, CNN HISTORIAN & ROYAL EXPERT: Well, Kate, it's just been so exciting here in London. Everyone is thrilled for the royal couple. We have been waiting for the news a long time. Some of the newspapers said get on with it. It's fantastic to have the news out there. We have this wonderful photo call today. The beautiful pictures of this young couple, so in love, so devoted. Meghan said she was thrilled and happy. All of the royal family congratulating them. And William and Kate saying how excited they were. Prince Charles said he was thrilled. Meghan's parents say it's a joy to see their daughter with Harry. It's been a wonderful day. The wedding itself, we don't have many details so far. The current official line is spring. So probably sometime around the birth of the next royal baby due in April. Maybe March or May. We will see.</s>BOLDUAN: We will see. Stand by to find out. The ring is beautiful. Not like we would expect anything less. Great to see you, Kate. Thank you so much. So many details to come.</s>WILLIAMS: Thank you so much.</s>BOLDUAN: Thank you. Coming up for us, in just a few minutes, no more fun. Back to the work, folks. It's Monday. President Trump hosting key Republican Senators at the White House. This, as the Senate could be voting on the tax bill for a very important floor vote this week. It's all on the line, folks. Don't ask me. Ask Republican Senators. It's anyone's guess what the votes are. More on that, ahead.
Prince Harry and Meghan Markle Announce Engagement.