Prince Harry, aged 33, and Ms Markle, aged 36, are to marry in the spring
He said the "stars were aligned" when they fell in love and he proposed over roast chicken
Appearing for photos outside Kensington Palace earlier, Prince Harry said he was "thrilled"
The couple secretly got engaged earlier this month
The Queen and Prince Philip are "delighted for the couple"
Ms Markle is an actress and humanitarian campaigner
