grand·stand 
(grăndstănd′, grăn-)
(grăndstănd′, grăn-)n.
1. A roofed stand for spectators at a stadium or racetrack.
2. The spectators or audience at an event.
intr.v. grand·stand·ed, grand·stand·ing, grand·stands
To perform ostentatiously so as to impress an audience.
grandstand′er n.