Scroll down to see how some of your favourite celebrities marked yesterday.
Meghan and Harry shared a new photo of their baby boy on Sunday, in honor of the duke's first Father's Day.
Scientists find muscle for sad puppy dog eyes absent in wolves
Or as the University of Portsmouth puts it, " Dogs have evolved new muscles around the eyes to better communicate with humans". The dynamic duo of dogs and humans goes back more than 33,000 years to when dogs were first domesticated.
Shanahan withdraws from consideration to be U.S. defence secretary
Acting Defense Secretary Patrick Shanahan speaks at an event presented by the Center for Strategic and International Studies. Shanahan had been the deputy secretary of defense until Secretary of Defense James Mattis resigned on January 1.
Pakistans population to reach 403 million by 2050
The report said that life expectancy at birth stood at 72.6 years worldwide in 2018, an improvement of eight years since 1990. The world population is expected to reach 9.7 billion in 2050 and could peak at almost 11 billion around 2100.
Not surprisingly, the picture gathered a lot of reaction - with many questioning why Princess Charlotte, four, and Prince George, five, didn't feature. And it's not the first time she's missed a christening - she also skipped Prince Louis' baptism a year ago.
Many followers noted Archie appears to be a "perfect mix" of his parents, with several saying he has Harry's overall look but seems to have inherited Meghan's "beautiful eyes".
She attended the christenings of Prince George and Princess Charlotte but missed the baptism of Prince Louis previous year.
"It's magic, it's pretty wonderful", the Duchess of Sussex said.
The Royal Family's official Instagram account also shared a birthday message, posting photos of the senior royal at Lady Gabriella Windsor and Thomas Kingston's wedding this year and photographed in 1953 - 66 years ago.
Richard Fitzwilliams, a royal expert, told CNN that the christening will nearly certainly take place at the chapel as it is where Harry was christened in 1984, and where he and Meghan tied the knot in May 2018. Harry's brother, William also expressed concerns with how fast the relationship was going and this reportedly caused a feud between Harry and William.