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