The boys got their Premier League campaign off to a winning start after Rambo poked in a last-gasp winner against Crystal Palace.
Brede Hangeland glanced in a header on 34 minutes to give Palace the lead but Laurent headed Arsenal back on terms on the stroke of half-time.
The game looked to be heading for a draw but Aaron popped up in the second minute of stoppage time to snatch the points for Arsenal.
Watch a bitesize clip of the game by clicking the play button above.Copyright 2015 The Arsenal Football Club plc. Permission to use quotations from this article is granted subject to appropriate credit being given to www.arsenal.com as the source