Yes totally. On numerous occasions I've heard her say something pretty damned catty to a co-presenter, and then say "JOE-KING" in an affected tone. No, my dear, it won't wash - you've made a catty comment which you've clearly meant.She mistakenly thinks such gestures amount to a "get out if jail" card.
If she wants to be nasty live on air, be nasty and don't hide behind weaselly expressions like she does. Some of us at least are not fooled.