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