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