vedette

noun2

1. •
   (historical) A sentinel, usually on horseback, stationed on the outpost of an army, to watch an enemy and give notice of danger.

   • The enemy made no effort to pursue Marshal Blücher. On the contrary, a patrole which I sent to Sombref in the morning found all quiet; and the enemy's vedettes fell back as the patrole advanced. — 1815
2. •
   A cabaret performer, usually the main female artist of a show.