You've learned how to say bye-bye to back fat because of your bra, but how about those slipping bra straps? Apparently it's an issue among many of our readers, so I contacted ThirdLove cofounder Heidi ...

It's happened to the best of us. You're out and about and suddenly, your bra strap snaps. It's possibly the biggest fashion nightmare imaginable, because who carries a spare bra in their date night ...