ostentatious

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

phô trương

too obviously showing your money, possessions, or power, in an attempt to make other people notice and admire you:

:
They criticized the ostentatious lifestyle of their leaders.