Credit:GettyCaption:Christina Aguilera poses at the 2000 MTV Awards with blonde, red, black, and who knows what other colors in her hair. These were the glory days.Category:Celebrity HairstylesStar:Christina AguilerancG1vNJzZmivp6x7tbTEoaalpKmsvLCwxqiqrKGgY7CwuY6gmKWklafGcK%2FHq6CsrJmjrm6txq6gpZ2ilnquwcutoGabn6G8s7HDZp%2BaoaJk