Case of the Ex
"Case of the Ex" (sometimes subtitled "Whatcha Gonna Do") is a 2000 song by American singer Mýa. It was taken from her second studio album Fear of Flying. It went to number 1 in Australia, number 3 in the United Kingdom, number 2 in the United States, number 14 in Canada, number 17 in New Zealand, number 15 in Scotland, number 8 in the Netherlands and number 12 in Ireland.