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