ostentatiously

US /ˌɑː.stənˈteɪ.ʃəs.li/
UK /ˌɑː.stənˈteɪ.ʃəs.li/
1.

phô trương

in a way that is very obvious and is an attempt to make people notice you, especially to notice your money or expensive possessions:

:
The room was ostentatiously decorated in white and silver.