No one will invite her to a tea nor she is so garrulous.

Gossip : casual or unconstrained conversation or reports about other people, typically involving details which are not confirmed as true.
Talkative : fond of or given to talking.
Giggles : laugh lightly and repeatedly in a silly way, from amusement, nervousness, or embarrassment.
Laughs : make the spontaneous sounds and movements of the face and body that are the instinctive expressions of lively amusement and sometimes also of derision.
Garrulous : excessively talkative, especially on trivial matters.

Synonym of Garrulous is Talkative