The Duke and Duchess of Cambridge celebrated Mothers' Day in the UK just like everyone else, in lockdown. But Wills and his wife tried to spread a little cheer, with a gorgeous family snap, some sentimental throwback pics, and a peek into Prince George's artistic talents! MUST WATCH: Prince William speaks out in personal video message amid COVID-19 'To mothers new and old and families spending today together and apart – we are thinking of you all at this difficult time,' the couple wrote on their Kensington Royal Instagram page.They also wished their followers a, 'Happy Mother’s Day.' They also gave fans a little explanation of each of the four photographs they shared - and the last one was just gorgeous. '1.