jauntily

[SanchoPn]

in a jaunty fashionable manner

[engladNak]

In an airy, showy, or affected manner.

[BertababySog]

In a dapper or stylish manner.

[GrompelFem]

Jauntily refers to doing something in a lively, carefree, confident, or self-assured manner. It often implies a certain cheerful or buoyant attitude, and can also refer to a flamboyant or stylish appearance.

[Thomassew]

In an ostentatiously self-confident manner.