In a statement issued on Monday, St. James's Palace in London confirmed Kate Middleton, the 30-year-old Duchess of Cambridge, is expecting her first child with Prince William. Let's retrospect the snapshots of other British royals when they were pregnant.?

?Princess Diana (Photo Source: ent.cir.cn)

??Queen Elizabeth II (Photo Source: ent.cir.cn)

Sarah Margaret, Duchess of York (Photo Source: ent.cir.cn)