Here are 100 mushy, cute, and downright hilarious anniversary messages to write in a card to your longtime S.O., new partner, cutie parents, or the couple you just can't stop third-wheeling.

Queen Elizabeth and Prince Philip are marking their 73rd wedding anniversary with a gift from the next generation of royals, their great-grandchildren, Prince George, Princess Charlotte and Prince ...

Queen Elizabeth II and Prince Philip look at their homemade wedding anniversary card, given to them by their great grandchildren Prince George, Princess Charlotte and Prince Louis, in the Oak Room ...