showily

/ˈʃoʊəli/
adverb
  1. In a way that is meant to attract attention or impress others, often by being very colorful, fancy, or expensive.
    • The billionaire arrived showily in a gold-plated sports car.
    • He spoke showily about his achievements, but everyone knew he was exaggerating.
    • She dressed showily for the party, wearing a bright red dress covered in sequins.