Britney arrow accident ✔wardrobe fail}
Britney spear slipping her ❣sensational curves}
Britney spear ❣unintentionally revealing a bit too much}
Britney spear ✔flaunted ✔inadvertently}
Britney lance ✔with a wardrobe
malfunction}
Britney lance caught in an ❣awkward slip-up}
Britney lance ❣accidentally ✔flashing ❣on stage
Britney spear with a ✔slip of elegance
These are just a few examples. Feel free to mix and match the synonyms to create more unique content.