PHOTOS: Kate Middleton Debuts Tiny Baby Bump

The Duchess of Cambridge has made her first public appearance since announcing the pregnancy of her second child. READ: Kate Middleton's Severe Morning Sickness, Explained Kate Middleton joined husband Prince William to greet the President of the Republic of Singapore and his wife Mary at London’s Royal Garden Hotel on Tuesday. “I’ve been looking forward to getting out of the house,” joked Middleton with the Singaporean President, as reported by Us Weekly. From there, the 32-year-old traveled by carriage to Horse Guards Parade, where she, along with Prince William, Singaporean President Tony Tan and his wife, Mary Tan, received a Ceremonial Welcome. The couple and their guests then continued to Buckingham Palace. READ: Kate Middleton Has the Perfect WHAT?! “Prince William will remain at the palace for lunch, although Kate will not,” adds Us Weekly. However, Middleton isn’t done with her duties quite yet. The pregnant royal is also expected to attend the Wildlife Photographer of the Year 2014 Awards Ceremony at the Natural History Museum. Yesterday, Kensington Palace confirmed to Us Weekly that the royal couple will welcome their second child in April 2015. The baby will be a younger brother or sister to their first child, 14-month-old Prince George. PHOTOS: Prince George's Cutest Moments Check out Middleton’s super tiny baby bump, which made its stylish debut all thanks to the Duchess’ Alexander McQueen gray suit dress: