Since its opening in 2003, The Colosseum at Caesars Palace in Las Vegas has pioneered the concert experience and modern artist residency. Through their new technological renovations, especially their AV updates, they continue their legacy as Las Vegas’ premier concert experience. Let’s take a look at the exciting technology that brings concerts to life. Renovations The last time The Colosseum underwent significant updates was in 2003 before Celine Dion began her iconic 16-year residency. Following a summer intermission, The Colosseum is back with new lighting features, a high-definition LED video wall, enhanced comfort seating, a larger lobby bar, and a.