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