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