has laughed off speculation that she suffered a wardrobe malfunction on stage at the Oscars on Sunday.
The diva had a close call while presenting an award with Cameron Diaz - many viewers claim they copped an eyeful of J-Lo's left nipple peeking out from under her skin-tight frock, but she insists they didn't see a thing.
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Jen's personal stylist Rob Zangardi told gossip site TMZ that his star client cracked up laughing when she heard about the buzz generated by her supposed nipple slip.
Apparently she's sure she was so tightly packed into her dress, there's no way anything could have slipped out.
So, what was that thing that looked like a nipple? According to Rob, it was a "shadow from the lighting".
If you haven't seen it already, check out the video above and decide for yourself!