Tell her to enjoy it while it lasts.
Before too long she'll no longer be seen as a threat and spend the day having a good ol' chin wag with them about the dinner and shopping highlights, only pausing to join forces in a group snarl at the Bright Young Thing 'strutting' around in a bikini.

Said Bright Young Thing will no doubt be wondering 'why are they all glaring at me? I'm just going to the pool'.
Circle of life.