Interestingly enough, Grande's aversion towards PDA even seemed to be noticeable down to the way that she was dressed. The Thank U, Next, hitmaker wore a dramatic, pale pink Schiaparelli ballgown ...

Instead, be honest and humble while speaking to them. 3. Avoid PDA and do not critice your partner (even jokingly) Remember, meeting your to-be in-laws for the first time is a formal event.

"The couple are likely to show very little PDA, if any, to remain professional during their designated roles abroad." Longtime royals writer Judy Wade agrees, telling PEOPLE, "Going to somewhere ...