It’s National No Bra Day, but while today might be the season for letting your girls swing low and free, these celebs have been caught celebrating a bit too early. Lady Gaga, Rihanna, and Kim Kardashian have all been in embarrassing situations where they realized that, despite the freedom of no bras, sometimes you need them (ya know, to avoid those pesky nip slips and such).

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Click through the gallery to see stars who probably regret not wearing a bra.