Yes, we say bikinis plural because she changed not once, not twice, but three times that day in a 2-hour period to get the maximum attention from the weekly rags and daily blogs that she could get.
She even changed her hairstyle to make it look like it could have been three different days!
Did she soil herself and that's why she had to change?
Possibly, but we're thinking the mentally unstable singer was on a euphoric and manic high...