[9][10] By 1999, Michaels-Beerbaum credited Shutterfly with helping her top the FEI World Show Jumping rankings.
[12] After placing second at the 2004 World Cup final in Milan, Shutterfly tested positive for the banned substance acepromazine.
[8] Two weeks after the decision was overturned, Michaels-Beerbaum and Shutterfly won the 2005 World Cup Finals in Los Vegas.
[16][17] At the 2006 World Equestrian Games, Shutterfly was rattled during the final four horse rotation phase, reacting "extremely nervous and upset".
[19] Michaels-Beerbaum would not bring Shutterfly back to the World Equestrian Games, and the horse change was eventually eliminated from the format.
[6] The next year, Michaels-Beerbaum and Shutterfly won every round of their competition at the 2009 World Cup Finals in Las Vegas, winning the gold medal.
[26][10] After the win, Michaels-Beerbaum's husband Marcus Beerbaum encouraged her to retire Shutterfly, to end his career on a high note.