Why the famous women wear a bigger size shoes?

I think some drew attention to the fact that some celebrities appearing on the red carpet with shoes larger. What is the reason?

As suggested by many connoisseurs, there are a couple of reasons:

1. In some important events have to stand for hours, preferring to rest your feet from time to time.
2. As we know, many celebrities have a small foot. With larger shoes can conceal.

Gwyneth Paltrow, Sofia Vergara, Ashley Olsen, Cameron Diaz, Kristen Stewart, Jennifer López, Stacy Keibler, Lea Michele, Blake Lively, Elizabeth Banks, Rachel McAdams, Victoria Beckham, Nicole Richie, Zoe Saldana, Heidi Klum, Emma Stone, Michelle Trachtenberg and others using their shoes like that.

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