The crowds will be gathering at Windsor Castle and millions of eyes will be glued to TV screens across the world as Prince Harry and Meghan Markle finally become Mr and Mrs!
Make sure you don’t miss a single moment of the big day, from the dress and the celebrity guests to Prince George and Princess Charlotte looking super-cute and, of course, the ceremony itself.
Tune in as Huw Edwards, Kirsty Young and Dermot O’Leary present coverage on BBC1;
Julie Etchingham, Phillip Schofield and Mary Nightingale on ITV; and Kay Burley and the team
So wave your flags, and have a right royal celebration!