  This paper examines the stability of thin-shell gravastars in the context of
regular spacetimes (Bardeen and Bardeen-de Sitter black holes). We apply cut
and paste approach to construct gravastars through the matching of interior
non-singular de Sitter geometry with exterior regular black hole. This model
contains three regions, i.e., interior, thin-shell and exterior. The interior
and exterior regions are connected at thin-shell. We investigate physical
viability of the developed model by the energy conditions and explore its
stability by using radial perturbation about the equilibrium shell radius. It
is found that thin-shell gravastars show large stable regions for the
Bardeen-de Sitter black hole as compared to the Bardeen black hole. It is
concluded that stable regions exist near the formation of expected event
horizon.
